Question

F(x)2x²+1and g(x)=x²-7find (f+g)(x)

Answer 1

3x² - 6

Explanation:

note that (f + g)(x) = f(x) + g(x), thus

f(x) + g(x)

= 2x² + 1 + x² - 7 ← collect like terms

= 3x² - 6