Question

Write an exponential function in the form y=ab^x that goes through points (0,4) and (2, 324).

Answer 1

y = 4*9^x

Explanation:

y=ab^x

4 = a*b^0

a = 4

324 = 4*b^2

81 = b^2

b = 9

y = 4*9^x