Question

Ifƒ(x ) = 3x + 1 and ƒ -1 = (x-1)/3,
then ƒ(2) =

A) 1/3
B) 1
C) 7

Answer 1

The problem gave us the equation for
`f(x)`, which was
`f(x) = 3x + 1`. To find
`f(2)`, we can simply substitute 2 in for
`x`, as shown below:

`f(2) = 3(2) + 1 = 7`

The answer is f(2) = 7.