The function $f$ is defined by $f(x)=a(3.1^{x}+3.1^{b})$, where $a$ a…

Question

Prompt

The function

f

is defined by

f (x) = a (3. 1^{x} + 3. 1^{b})

, where

a

and

b

are integer constants and

0 < a < b

. The functions

g

and

h

are equivalent to function

f

, where

k

and

m

are constants. Which of the following equations displays the y-coordinate of the y-intercept of the graph of

y = f (x)

in the xy-plane as a constant or coefficient?
I.

g (x) = a (3. 1^{x} + k)

II.

h (x) = a (3.1)^{x} + m

I only

II only

I and II

Neither I nor II