Use slider a to adjust the coefficient and b to adjust the root of an exponential function in the format a*b^x. [br]1. Adjust the slider for a. Describe what happens to the graph:[br] A. When a is positive: [br] B. When a is negative: [br] C. When a = 0: [br][br]2. Adjust the slider for b. Describe what happens to the graph:[br] A. When b is positive: [br] B. When b is negative: [br] C. When b = 0: [br] D. When b is a fraction between 0 and 1: