The graph of $y = f(x)$ is shown, where $f(x) = ab^x + c$, and $a$, $…

Question

Prompt

The graph of

y = f (x)

is shown, where

f (x) = a b^{x} + c

, and

a

b

, and

c

are constants. For how many values of

x

does

f (x) = 0