Question

Let f(x) = x2 – 7x + 3 and g(x) = x + 4. Find f(x) + g(x).

x^2 - 8x + 7
x^2 - 6x + 7
x^3 - 3x + 7
x^3 - 7x + 7

Answer 1

x2 – 7x + 3+ x + 4

Answer 2

x^2-6*x+7

Answer 3

f(x) + g(x) = (x2 - 7x + 3) + (x+4)
= x2 -7x +3 +x +4
=x2 -6x +7

Answer 4

Janie29 is correct