Question

Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 16)(0,16) and (4, 256)(4,256).

Answer 1

Step-by-step explanation:

y = abx

a is the y-intercept

y = 16bx

Now substitute 2 for x and 1296 for y

1296 = 16(b)2

81 = b2

b = 9

y = 16(9)x