Question

If f(x) =x^2 + 1 and g(x) = 3x + 1, find f(2) + g(3)

A. 5/3

B. 12

C. 15

Answer 1

15

Explanation:

We have
`f(x) = x^(2)  + 1` and
`g(x) = 3x + 1`

now,

`f(2) = 2^(2) + 1 = 4 + 1 = 5`

and

`g(3) = 3(3) + 1 = 9 + 1 = 10`

∴
`f(2) + g(3) = 5 + 10 = 15`