Question

If f(x) -3 and g(x) = 3x2+x-6, find (f+9)(x).

A. 4x2 - 9
B. 3x2 + x - 3
C. 3x2 + 2X-9
D. 3x2 - 4x = 3

Answer 1

3x^2+x-3
I hope this helps

Answer 2

3x^2 +x -3

Explanation:

f(x)= 3 and g(x) = 3x^2+x-6

f+g (x) = 3+ 3x^2+x-6

Combine like terms

= 3x^2 +x -3