Question

Which equation below would match this graph?

a. y = 3(2)^x
b. y = 2(2)^x
c. y = 2^x
d. y = (-2)^x

Answer 1

A

The y-intercept is y=3

Any number to the ^0 = 1. Because the y-intercept is 3, that means it was multiplied by 3 to get that y value, which is why a is correct.