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

3x^2+x-9

Step-by-step explanation:

f+g

means you are going to add whatever f equals to what g equals

so you have

(-3)+(3x^2+x-6)

Combine like terms

3x^2+x+(-3+-6)

3x^2+x+-9

or

3x^2+x-9

72 is the answer to this problem