Question

If f(x)= 4x squared + 1 and g(x) = x squared -5 , find (f+g)(x)

Answer 1

5x^2 -4

Explanation:

f(x)= 4x^2+ 1

g(x) = x^2 - 5

(f+g)(x) = f(x) + g(x)

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

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

= 5x^2 -4