Question

The graph g(x) shown is a transformation of the function f(x) = e^x. What is the equation for g(x)?

A. g(x)=e^(x-1)
B. g(x)=e^(2x)
C. g(x)=2e^(-x)
D. g(x)=e^(-x)

Answer 1

whats Y-intercept?

Answer 2

it looks like its 1

Answer 3

D?

Answer 4

a key fact: e^0=1 thus if at x=0 y=1 then it is of the form e^(+ or -)x

Answer 5

yes D