Let f(x) = x + 4 and g(x) = x ^(2) - x Find and simplify the expression. (fog)(3) ​

Question

Let


`f(x) = x + 4`
and

`g(x) = x ^(2) - x`
Find and simplify the expression.

`(fog)(3)`
​

Answer 1

10

Explanation:

Evaluate g(3) , then evaluate f(x) fot this value

g(3) = 3² - 3 = 9 - 3 = 6

f(6) = 6 + 4 = 10, that is

(f ○ g)(3) = 10