Question

Adding and subtracting function if (x)=4x^2+1and g(x)=x^2-5, find (f+g) (x)

Answer 1

(f+g)(x) = 5x^2 -4

Explanation:

`(f+g)(x)=f(x)+g(x)\\\\=(4x^2+1)+(x^2-5)=(4+1)x^2+(1-5)\\\\\boxed{(f+g)(x)=5x^2-4}`