Question

For f(x)= 4x+1 and g(x)= x^2-5 , find (f+g)(x) ?

Answer 1

(f+g)(x) = `x^2+4x-4`

Explanation:

add them together

`f(x) + g(x)`

`(4x+1)+(x^2-5)`

`4x+1+x^2-5`

`x^2+4x-4`

(f+g)(x) = `x^2+4x-4`