What is the $y$-intercept of the graph of $y=f(x)$ in the $xy$-plane?

Source Texts

Text

The function

f

is defined by

f (x) = (- 7) (4)^{x} + 31

What is the

y

-intercept of the graph of

y = f (x)

in the

x y

-plane?

(0, 24)

(0, 4)

(0, 31)

(0, - 7)