Question

Evaluate the following.

Write an exponential function of the form y = ab^x that has the given points
(−1,6 3/4), (2, 1-4)

Answer 1

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