Copy of Quiz: Adding Functions Graphically

In the applet below, the graphs of functions [b][color=#9900ff][i]f[/i] [/color][/b]and [i][color=#0000ff][b]g[/b][/color] [/i]are shown. [br][br]Your task is to move the[b] LARGE BLACK OPEN POINTS[/b] (initially seen up top) and use them to plot 2 points that lie on the graph of the sum of these two functions, [b][i]f[/i] + [i]g[/i][/b]. (Use the points on the two functions to help you do this). Once you do, select the [b]Check Points [/b]checkbox to check your work. [br][br]Be sure to zoom in/out if you need to.[br][br]For a hint, [url=https://www.geogebra.org/m/p52vekh2]click here[/url].
The correct answer is C.
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Information: Copy of Quiz: Adding Functions Graphically