Question

Suppose f(x) = 6x2 + 2x - 7 and g(x) = 4x - 3. Find each of the following functions.

a.(f+g)(x)
b. (f-9)(x)

Answer 1

Hello,

Explanation:

`f(x)=6x^2+2x-7\\g(x)=4x-3\\(f+g)(x)=f(x)+g(x)=6x^2+2x-7+4x-3=6x^2+6x-10\\\\(f-g)(x)=f(x)-g(x)=6x^2+2x-7-(4x-3)=6x^2-2x-4\\`