Question

If f(x) = 2x² + 3 and g(x)=x²-7, find (f+ g)(x)

Answer 1

3x^2-4

Explanation:

f(x) = 2x² + 3 and g(x)=x²-7

(f+ g)(x) = 2x² + 3 + x²-7

Combine like terms

= 2x^2+x^2+3-7

=3x^2-4