Question

f(x) = x^2 + 3 ; g(x) = x - 7

Which is equal to (f + g)(x)

A: x^2 + x - 4
B: x^2 - 4
C: x^2 - 14x + 52
D: x^3 - 7x^2 + 3x - 21

Answer 1

add f(x) and g(x) together

Answer 2

I forgot to put my answer was D, is that right?

Answer 3

x^2 + 3 + x - 7 = ?

Answer 4

no