A.6.17.1 Graphs of Two Functions

Here are graphs representing the functions f and g, given by f(x) = x(x + 6) and g(x) = x(x + 6) + 4.[br][br][img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAATwAAAD/CAYAAABsDmqoAAAgAElEQVR4Ae1dy+smx3XVf6KRlZBgLCMEsfGLkbMICiG7aGzQKl4kjAgxBBLDaBMwIRk5kMSgx8aCMFYgZsho4UGLXxZyFgOyEjRgRYaRFYMYCSl4ZBBmjHHgC6c1Z6a+/vWjblV1962uU/Dx9aO6+ta5t0/fqrpVfd9BSQgIASHQCAL3NVJPVVMICAEhcBDhyQiEgBBoBgERXjOqVkWFgBAQ4ckGhIAQaAYBEV4zqlZFhYAQEOHJBoSAEGgGARFeM6pWRYWAEBDhyQaEgBBoBgERXjOqVkWFgBAQ4ckGhIAQaAYBEV4zqlZFhYAQEOHJBoSAEGgGARFeM6pWRYWAEBDhyQaEgBBoBgERXjOqVkWFgBBwQ3hXXn/3cP8zrx6u/eRns1r5xitPHR596bHDL3/9y9m8yiAE1kLg9u3bi98KNg/bxzMwl/As4Zk6efODuazNnHdDeDc/vN0p59n/+J9Z8L/335c7pf/w5muzeZVBCAwh8NSFC4cH7z9zGCKpr5471527cePG0KWjx1DmrVu3Rs+XOAGbB+HhGZhLeJZAeHi2lD5GwA3hQZyz3/nP7jennLdvvd0p/YXr/zyXVeeFwCACzz373CCpXbt2rTuO85YEcgSBWq+z3AN5YfMgPDwDcyn2eZorZ0/nXRHexZO3ot9Ij1994oCfkhBIQeClK1c6grp+/frdy+Ht0buzemr0GEF61mvvChCxEWv3bDHhmVK6h4ArwkNfQ2yfw7dfe6Z707330Xv3aqMtIRCJAIgO5ATiYyIJfvfSJR6K+qd3h/KW9PJg6/DuYlo2lmcpqpI7yeSK8CxvJUtfxk50pWoURIAkxSYovLsvnz3b/Yb69aZuHXp3JL0lvDxL37WltTRVt72dc0V4APfci9ej+vEso1V7U5rqUwYBkBPIConeXejxxdyFxAmyJNkt5eVZohPQUsKzpHSMgDvC48jSjfc/OpZ0YI8G8OHtnw+c1SEhMI0ASOrJ8+e7kdoc7w6kCa+QhEfyLOnlwcZjw1Hw7IDwYiIephHa31l3hMfYIcTlzaVXfvqDzggUnjKHlM4PIcCmKAkKI7SWBO8u9AhJeCgD56x9gVP3pq3jfy5ZYlrnytrbeXeEd+sXv+reThe+/+NZrNmJiwEMJSFgRQCEBJKCd4fR2dwUEl5uWf3rLYN0eHbg4eFZUjpGwB3hQbzzl9/oFHb7V/93LO3A3p+e/Fnn5Q2c0iEhMIkAPTsQVRieMnnRxMmlCI/91bD1uYRnBmSHZ0jpNAIuCe/Sq+90Srv+znzfHEeufvSBFHxavToyhQBDUzhwMZU35txShAfbjp1dgWcGhIdnSOk0Ai4Jz6I0GkNMbNLp6utIywhgwAIkhf62EmkpwuPsipiXusVZKFHn2spwSXh0y2OH1RF9HuPu16YcybscAmzOPn3xYrGbLEV4sbMrUBE8M/DwlIYRcEl4ENXS8Wrp0B2GQUdbQACjsPgh2BjkhMGKkqEjSxCeZWDOMuDXgr6H6uiW8CxD65p1MaRaHesjwDAUEBOaszdv3uxnydpfgvDYRx0TemUJ6cqqaMUXuyU8TjOLCZ7kKFbMGmEV60qiZyKA4GD015X06kKRliA8BtfDxueSppPNIXQ4uCU8iG5Z3oaGoVkX80pXjmUQKE14nF3xN9f+Lkpgy/MSVeAOM7kmPMsbyxKJvkM9qkoOEChNeBabZotIy0FNG4JrwrP0SVjfhtOw6KwQsCNQmvDg2SH+LqbVYunzttdsP1e4JjzrqBNnXcT0d+xHhaqJFwRKEp61X9oS1eAFry3kcE14AIRxRTHTzCwjWluArXvuG4GShGeJPGDcqqaTzduXe8KzRI5bYpbmoVEOIWBDoCThWWJLLTOTbDXaX273hGdVJpu1+1OVauQdgZKEh7672NlDXEMSz4rSNALuCQ/iY6pM7DQzy7zDaWh0VgjYEChFeNb54ez2sUnbZu4qCM/SIWs1ljbVrlovgUApwrO8tDmwp3CUOI1WQXjWLzBZJlvHwaRcQmAegVKEZ7Ff67MxX4t956iC8KxBlXxDxnyseN/qVe3WRKAE4VlbKJbg/DWx8HqvKggP4Fn6KWg0CFNREgJrIVCC8BhaBRuOSZb+7Zjy9p6nGsLjSFTM18wYtBk7yrV3Jat+6yBQgvAsUQaMYIhZYGMdBPzfpRrCo3Jjl662xDH5V5MkrAGBXMKzxpFaYlRrwG8NGashPGs0uSVSfQ2gdY/9I5BLeGzOxqx9BzTZzRMzC2n/6MfVsBrCQ3Us4Slq1sYZgHKVQyCX8NicjZkLznAUPBNK8QhURXgcgscqKjFJzdoYlJSnFAI5hGdtznIlITwTSvEIVEV41vAUNWvjDUE58xHIITxrc1bhKGn6qorwUEX0W2Bl15ikZm0MSspTCoEcwrM0ZyGvwlHStFYd4VnCUwCJmrVphqGr7AikEp61OcuIBYWj2HVUHeFR2bHhKWzWYrlsJSGwJAKphGdtziocJV2L1REew1PQtI1JbNbqi2YxaClPDgKphGdtziocJV1L1REeqmoJT0F+fdEs3UB0ZTwCKYRnbc4qHCVeH0M5qyQ8hqfEDslbvv40BJKOCYEYBFII7+qNl7sP9cQGG1ttP0bulvJUSXjW8BR+0UzN2pZMe/26phCetTnLcBR4ekp2BKokPFST/RixVbZ88i62TOUTAiECVsKzNmet/dehbNr+GIFqCc86UsXRWoyIKQmBJRCwEp51dNYaobBEHWsvs1rCo/JjY5E4WosmhJIQWAIBK+FZm7OMQYXtK6UhUC3hobrWaHMFIacZia6KQ8BCeNbmLCSwduPESd1WrqoJjx24GMSISWrWxqCkPKkIWAjP2py1DtSl1mHv11VNeFwx4srr70bpSc3aKJiUKREBC+FZm7OwcbRoYlcKSqzC7i+rmvAYhHn+ctz6/9CmmrW7t+nNKhhLeCnNWdg4CE/hKHnqrZrwUHWrIahZm2cwunocgVjCszZnU17s41K2faZ6wrO6+mrWtm3wS9Y+lvCszVlr182Sday97OoJL6Uzl9+tjf0UXu1KlvzrIBBDePyEKGwwNlkH52LLbTFf9YQHpVmH61OMrkXjUJ1tCMQQXsrL1hp+ZZO6rdy7ILyUgMzHrz5xwE9JCJRCIIbwrHbHAPvY9R9L1WWv5eyC8GgUsbMuoMyUN+1ejUD1KoPAHOGltCxSXuZlarPPUnZBeFANvnOBpm1sSjG+2LKVr00E5giPIVFv33o7GiDYdew3XKILbTjjbggvpWPXOlrWsJ2o6hEITBFeSnRAyoBchJhNZ9kN4XHo3tLXYY2HatpSVPlZBKYILyX+kysCaXbFLPTRGXZDeClrhTHiHWvlKQmBXASmCI/rMcLmYhOjD2DbSmUQ2A3hAQ7rty5wjb53UcaQVMrhMEZ4KStuc3YFbFqpHAK7IryU9f71vYtyxtR6SWOEl2JjKbbcOv4x9d8V4fGtaFlMgG9fDGAoCYEcBMYIj4NjsLXYZJ0jHltu6/l2RXhQJg3F0u/BcAFL/0rrhqP6n0ZgiPDYTwwbi00pL+7YslvPtzvCsy4mAANIGUFr3XBU/9MIDBEeA9xhY7GJEQex6zzGlqt8h8PuCC8ldgkxUtYpPzIeIdBHYIjwaFewsdiUElMaW3br+XZHeFBoynA+38SYgaEkBFIQ6BMeWw6wrdiUEl4VW7by7dDDg1JTAjYx3efRlx7rVkSWYQiBFAT6hMe+YctUMjZnLQH0KbK2es0uPTw2ay2LCcAAOJpmaX60ajiq92kEQsJLmUqGEtWcPY1rySO7JDwAlDLp+uqNlzsvD3FTSkLAikBIeIy9g01ZknURDEvZyrvTJi0Um7KsjmLy9EjkIBASHlsLlti7lGXOcuRt8drdenipxpMy57FFw1GdTyNAwkuJvUNpKS/p01LoyBQCuyU8VDqlWZsysjYFsM61gwAJjyP+lti7VHttB90yNd014aW+MVNip8qoQ6XUjAAI7zcf+Y2kmM7UFknNeG0h+64JL9WIUt/QWyhQ9/SDAAjv4Scf6Qa+sNaiJaW+nC33UN4dD1pQuSnNWvbBaJ08oqj/GARAeJ9//tGO8KzzslPsNEYm5TlGYNceHqqa+ubUOnnHhqK9eQR++9Hf6sgOtmNJqS0Ryz2U92MEdk94qcbEwQtr00SG1S4Cv/PNz3WEZx2sSH0pt4t0es13T3iAJqW5oAUF0o2q1SvPfu/3DvhZZ+qk2GerGOfWuwnCS32DavAi17zauZ4tgs8+/UVTpVNbIKabKPNdBJogvFSj0uDFXTvRxgwCDFj/5B9+cibn8enUl/FxKdqLRaAJwgMYqc0GDV7EmlK7+Tgl8Ysv/G73IR8LEql2abmH8t5DoBnCS32TsqmiwYt7RqOtYwT4fWPE4CE0JTaltjxiy1e+0wg0Q3ipxhUOXlg7o0/DrSN7QyC0D8yysBBe6kt4bxiuWZ9mCA+gpjYfNHixpknWdS+2AGAjIDsL4aXaY10I+ZK2KcJLfaOyj8YaUOpL1ZJmCQTCPl4L4aW2OJaoQ0tlNkV4OUbGUTjrlKGWjKm1uvKzAJyCaCG81JdvaxiXrm9ThAfwUpsRYdOltBJUXp0I9Ls6LISXaod1IuVH6uYIL+fNylVsNXjhx4C3kgQ2gI8+wSaYYgkvp6XBe+k/DYHmCC/H2PjNC+t3CtJUo6s8IzBkC7GEl/PS9YxJDbI1R3hQSsp3a3EdBy/Ct3oNSpaM5REY8vZjCE/fnS2vC0uJTRJeyndrCWq/34bH9d8OAmP9uTGEp+/ObmsnTRIev1uLb4BaU39kznq98tePwNiIfQzh6buz2+q/ScID5KnNWlzL2CuFqGxrvFvcfeqFN0d4as5uobHjezZLeDnN2rEmzTG02tsjAlNdGnOEd/LmB4f7n3n1ANtT2gaBZgnv1i9+1Rnf+ctvJCHPTmvLh5aTbqSL3CAwN2g1R3iwNRAebE9pGwSaJTzAnWOAQ2EJ26hQd10LAa6K8spPfzB4yynCy33BDt5QB80INE14bGLg35rCVTIUiGxFr778MfqeIrwrr7/beXcptlYfWn4lbprw+NbFAEZKmnvjp5Spa3wiAK8OMyum1kWcIrycQTKfiNQpVdOEB5XlhAnM9enUaRKSegiBmD7bMcLLCYMakkXH0hFonvByA0GnRu3S1aIrPSEQOyo/RnicSgZbU9oWgeYJD7FROStX8EM/mm62rSEveXd6d3Nxl2OER/uCrSlti0DzhAf4+QbGwgIpiZH3CEpV2hcCU4HG/ZoOEV7OYhX98rWfj4AI73A43Hj/o24ELWWqGVRgeSjyVaYS1kTA8jIbIjz2EcPGlLZHQIR3Rwe5o2iWB2N7tUuCGASsL7I+4WkqWQzK6+YR4d3Bm1PNUuOk2LEN4lPaBwJ8iUG3MalPeIzzRAyekg8ERHh39MCYvNSpZigmtnPbh+olxRQC9O4sg1F9wsuZyTMlm86lIyDCC7CjgSJuKiXRy0OoilLdCKSEG4WEx9i7C9//cd1A7Ex6EV6g0NyYPBRFL0+LCgTAVraZGlAeEh67SBR750v5IrxAH7kxeShKXl4AaKWbKd4dqhoSnmLvfCpfhNfTS25MHoqTl9cDtaLdVO8OVSThsaUAW1LyhYAIr6eP3Jg8FCcvrwdqRbup3h2qSMJT7J1fhYvwBnTDmLychRrl5Q0A6/xQjneHqnWE97nHuiD21BV4nENUvXgivAEVloifkpc3AKzzQ99+7ZluCSjoLiWB8B44//da9y4FvJWuEeENAM2YvNy3NL08xHQp+UYgJe6uXyMQ3plv/XtHeDmtg365Le9fv3798Nyzzx1u3bpVBAYR3giMJfph6OVp9sUIyI4OW2dVDIn+iT/686w52UNl6tjh8N1Ll7rughLEJ8IbsahSq1zIyxsB2NHhEt4dqvPAX36nI7zUVXccQeJOlCfPn787KJRDfPdxZEn/Z+4CSizYPHnw0589dY555v4/9ZWHun6hzz//aHIZc/fQ+dO6s2AC3WD5dujKct1QXtjM0HEdy9PREH4pxCfCu39cEeyAfuBr38wyYj5Qn/7jh7PKGVK6jo3rLwabh598RC+kiWcgBsOt8nz13LkD+vgsSU3aCbRKDV6UajJNiKpTiQiU6nLAABcf/ERRdNkEAvDmiC+I7tq1axO5x0+J8Max6c6UGLxAQbkhDzNi6nQCAvwSGXSTk9jfywcypyxdexoBkBuwzSE6lirCIxIj/zRmEF9OYlDr41efOOg7tjlIlrmW35lF3x10M5Ru3rx5uH373so5N27cOOCH42HiS1GEF6JSZhtYY8Ai1aPrSyHC6yMysF9i5gWK5Xdsr954eeAuOrQmAtDB2HdmQXJPXbjQPWjYfunKlcOXz56926QCseE8zoXdHiK88hosFX9HyUR4RGLin1+Nz125NsarmBBDpwohMOVtw6MAuSH2C4QG74JNKTx8ID8SG/LQNjA7h8cLialiFkBAhBcBaslvE9CzyO03ihBbWUYQYH8q+vDCRLI7OTnpDj998WJHfn0vg6QHYqT3DxsR4YVo+twW4UXqhctGlVjQsdTIYKToyhYgMDZiDm8OBAaSQ2JHOckvKKKb5kRyO/Otk+4znzjPY2FebftCQIQXqQ8uG1ViyW4+dN945anIuytbKQTGXjYMe6A3h2Ys+unGEvv0zvz15e4zn8gnwhtDy89xEZ5BF7nfvAhvxbmb/WZVmEfbZREY604AyYGsQHpMc6OCX/+Lv+qu+ZN/+S9eIsK7i4TfDRGeQTclV7INO87HwiIMoinrDALAGCFB+PXxZp+cJWq/8+Ye+swh7OKQhzejBAenRXhGJZT8VsGYx2EUSdkjEOBABTDvJzRdQVaIsYtJ777/v13+h77y9aPsIrwjOFzuiPCMamEYQm6ICm871qfE8/rPR4B9psB6KKG/DmSFgYuYdOEfXujy/+O/fjyay2tEeESi3D+6FuCB93UDbxzHLV45pBLhGXUTBpoaLx3MHj6MmoExCFHWQWA691LhAESMh4cH71Nf+v3DJ/7ga13QcSicCC9Eo8w2uxvC0XLoCVhDb30inLurCG8OoYHzJUNUUDw/HIOZGEplEeDsFmA8ltikxcM1l55+/tLhwYc+c/jbfzs9eV2EN4ee/TwIDcQGLxwJA0zYx68/xS+mdBFeDEq9PCVDVFB0OAMDHp9SGQToPc/NX+aKunMeA2Pzzjz14t1QlFBSEV6IRrlthgwBfy4Eam3KUhoRHpEw/iMe7/5nXh00fGNRXfYfffBGN7dTsXkp6J2+JmzKAtupxLAUEBYeqH4zCfvw/r7whS8dEHc3FospwptCOf0c9YMXEjAOm7fWUkV4VsTu5C8ZokIRpkYSmUf/cQiwKRs7hY/eGx4oPFiYcQGSg3eBffz/08mb3UsuDEUJpRHhhWiU3Wa3A2fCpJYuwktF7nC4O4+y1Beq1LTNUEZwaWxTNrik20RnOIgNDxd/8CbgYcQMVonw+oiW2Q9fRtBLThLhZaDH79deevWdjFKOL2XTFiOLIEAlGwKWpqylZA5UQedjSYQ3hkz6cY7IoquBXl7KYAUlEOERiYR/rJBRMhCZIrBpOzWyyLz6P0aAI94lsYvVswjvWBe5e1y9Bl0K2Cb5wQtPTSK8VOTuXFc6EBnFLuWlZFbV/eVLecexOhbhlTMRDBQNjcgySBzdDClJhJeCWnAN+3bg6ZVMYT9Uf+5nyfvspSzOlcUqxu999F6xatG7w4g8tqeSCG8KHds5Nl/7sZHsz0MoUUoS4aWg1ruG/Ttjo3e97NG7nGurUJV5yIARyG5oruz81eM5LKPxIrxxHK1n0HzFr5/g+eF4aj+eCK+PaMI+vTysfls6cRkpzcIYR5b9dsCqdOKKxjEj8SK80uiXL0+EVwjTpby8MFTlhzdfKyTtfooBJvDs5mZTpNTY4t2hfBFeCsrrXiPCK4T3zQ9vd0GpS3h56JPiQ12yf6pQ1TcrBliA6Er327FCFu8O14jwiJzffxFeQd1wulnpvjyIuKQnUxCC1Ypa2vOldzc2jWyooiK8IVR8HRPhFdQHFxVYwsuDmOyrQgc9HvhWE+rOQYqS8XYhnvTuoNPYJMKLRWq7fCK8wtjTy7M8KBYROIix1INukWWrvCT+JQYpUCe+uCzeHa4T4W1lEfH3FeHFYxWVM/VhiSr8TlDy0t5NrCxb5CPZLenlpr60RHhbWITtniI8G15RuVMfmKjCD4fuIzTsrG9p5BZfeOPgzVLB2DkvLBFerAVvl0+EtwD2OQ9NrDjhCGULpBcO2iw5Up3zshLhxVrvdvlEeAthn/PgxIrUCumtRXYpI7OhrkR4IRo+t0V4C+mFXt5SI7YUm3Nu0dTbo6e3FtkBz5SRWeoB/yK8EA2f2yK8BfVCL2+JuLxQbJLC3kiP9UJ/5ZLNWGCZ692hDBFeaJU+t0V4C+plLS8PVQibt6Un0C8I0WjRXDhhDbKDELneHcoQ4Y2q080JEd7Cqrh48tbkdxBK3j4kvZrj9Bh6shbZ0buDrnKSCC8HvXWuFeEtjHO4ksrcemolRAHp8cPTCMytaUYGZGVgNeqwdDMWeEMn9O5iVkSZ0pEIbwodH+dEeCvogSupYOXcNVI49Wot4sitV0jUSwYV9+XkasbQUW4S4eUiuPz1IrzlMe6+eLXEty/mRGfTEIMZCNr1mhhQDDnXbIpzNWPoJte7A7YiPK8Wdk8uEd49LBbdoidR8gtnMQJjpJOzMtBcXGqGQows/TyQhU1YyAhZ10zQBZZuL+V5i/DW1F7avUR4abiZr6I3gQeshDdhEQDNRc6/BbF48PYwCksihmxr9NeFmLFvFd5dqb5VEV6IsM9tEd6KeuF3bHNHA1NFDkkGfXsIWl474Z4cVAHhbRVCwxjJqe/MWrER4VkRWz+/CG9lzDkiiBi9LVLYjESfGZqU+Lzh0gn3YPMV98W3d7dqXi8VHynCW9qK8ssX4eVjaCqBD9v5y8uTzJRg8LRCAoLXhaZuyTAWlIUy6dGRYLfwLEMsgD26Fkq/dER4Ico+t0V4G+hlieZUajVAPvC2QEb8YR9EldKvhmtw7VCZWxMdMGK3AnRQOonwSiNavjwRXnlMZ0tcosN89qYzGdC8xKcgQ28MBIh+NniCOIf+NvzQPMWP+ziHPByEIHGiLOTZqunar/LSA0civD7i/vZFeBvphGEqJQJeS1cBBEUvrU+AJLOhf+Sld+iF5EJslg4AF+GFaPvcFuFtpBd4G1sPYFiqjuYof/TsuO+hqTpXF/adAvNSYSj9e4rw+oj42xfhbaiT6+/8vOs833oAY0MIVrs1ByqA+VJJhLcUsuXKFeGVwzKpJA5glIr2TxJi5xex+2CJgYoQOhFeiIbPbRHexnrBAAbn2a49A2Pjqq9y+zXxFeGtotKsm4jwsuArc/GSoRJlJKy3FHrQJWdUjKEhwhtDxs9xEZ4TXbCPaY0H00mVFxeDL5K1+khFeIurNPsGIrxsCMsUcPPD290ARqmlispIVW8pbMpiRgWwXSOJ8NZAOe8eIrw8/IpevVbnelGhnRbGpuyag0EiPKfGEIglwgvA8LCppm2+FtZuylJiER6R8PsvwnOmm7Bpu1ZTzBkEWeIAM456r42fCC9LdatcLMJbBWbbTbbyUGxS+sy9pYcswvNpE6FUIrwQDUfb7INae0l4RxCYReGS7UsHGI8JJsIbQ8bPcRGeH10cSRKu7LHkdKijm1a8w2l6JZdst8IhwrMitn5+Ed76mEffkRPeFaoyDVkYglJ6Uc/pOx+fFeEd4+FxT4TnUSuBTGymrRU8G9y6mk32223d/Bfh+TcZEZ5/HR3Yn+dx7byt4eMad1v124X1F+GFaPjcFuH51MuRVGF/3rWf/OzoXMs7wAIzKbbstwvxF+GFaPjcFuH51MspqRift+ZUqVNCODpAPEB2a8fbjcEgwhtDxs9xEZ4fXcxKEno0LS8lBYID0YH8PXm8IrxZE948gwhvcxXYBAgHMZZaqtwm0bq5UWcvgxT9movw+oj42xfh+dPJrETsqMeD3xLphWTncQBHhDdruptnEOFtroI0AejleHzw02o0f9XFk7dcfwNEhDevw61ziPC21kDi/b17O4nVGr2sBq9WhDeqPjcnRHhuVGEXpBXSq4HsoD0Rnt2G175ChLc24oXvt3fSq4XsoFYRXmHjXqA4Ed4CoK5d5B5JD3WqieygcxHe2pZvv58Iz46ZyytC0qt99LbWuojwXD4aR0KJ8I7gqHunTxQ1BidDZo5A10bcIjz/z48Iz7+OTBKGTUHMRthyuSST4IdDJytnUKA5i7rUlER4/rUlwvOvoyQJOSMD069q+NYtl7WHvGt+aSwJ3JGLRHgjwDg6LMJzpIzSomAVYHpMWD7Jo8cEmbj8FWSteXVnEV5pCy5fngivPKauSsREe/aJeSOUkJAho5dVT1IVKMJLRW6960R462G96Z3CJi48qi0HNHBvenU1N2H7ChXh9RHxty/C86eTxSQKvT0QzdoDA+GACu6/B68uVJYIL0TD57YIz6deFpUKAwTs28M/iG9Jjw9lM4gYRId71jCQYlWCCM+K2Pr5RXjrY+7ijvC2MBpK4gMRYTUSLKhZYnADZaCssOmKe+GeJcp3AWJPCBFeDxCHuyI8h0pZUySQD7ytcy9e75ZeAvGR/HDcEseHvLiGyzixLJSN43slOupLhEck/P6L8PzqZnXJ0MeHwY0++YG4cAze2tBvLD/Kqn3k1aIEEZ4FrW3yivC2wd39XUFUaJKCtEByYdOXnhv/cQ55kBfXtERyoSJFeCEaPrdFeD71IqkqRECE519pIjz/OpKElSAgwvOvKBGefx1JwkoQEOH5V5QIz7+OJGElCIjw/CtKhOdfR5KwEgREeP4VJcLzryNJWAkCIjz/ihLh+deRJFARuW8AAAFiSURBVKwEARGef0WJ8PzrSBJWgoAIz7+iRHj+dSQJK0FAhOdfUSI8/zqShJUgIMLzrygRnn8dScJKEBDh+VeUCM+/jiRhJQiI8PwrSoTnX0eSsBIERHj+FSXC868jSVgJAiI8/4oS4fnXkSSsBAERnn9FifD860gSVoKACM+/okR4/nUkCStBQITnX1EiPP86koSVICDC868oEZ5/HUnCShAQ4flXlAjPv44kYSUIiPD8K0qE519HkrASBER4/hUlwvOvI0lYCQIiPP+KEuH515EkrAQBEZ5/RYnw/OtIElaCgAjPv6JEeP51JAkrQUCE519RIjz/OpKElSAgwvOvKBGefx1JwkoQEOH5V5QIz7+OJGElCIjw/CtKhOdfR5KwEgREeP4VJcLzryNJKASEQCEERHiFgFQxQkAI+EdAhOdfR5JQCAiBQgiI8AoBqWKEgBDwj4AIz7+OJKEQEAKFEPh/bgfKUUj7+RIAAAAASUVORK5CYII=[/img][br][br]Which graph represents each function? Explain how you know.
Where does the graph of f meet the x-axis? Explain how you know.
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情報: A.6.17.1 Graphs of Two Functions