Question: The graph of an exponential function, y = a(b), is displayed below. 18 15 (3,20.48) 12 (2,12.8) 9 (1,8) 6 3 2 3 4

The graph of an exponential function, y = a(b), is displayed below. 18 15 (3,20.48) 12 (2,12.8) 9 (1,8) 6 3 2 3 4 a) Write an equation for the exponential function. Use x and y for your variables, and begin your equation with y = Hint: If you do not know how to start, write down an x/y table and record the points that you have been given. b) Evaluate your function at x = 7.

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