Answer:
a) (f+g)(x) = 6x^2 +6x -10
b) (f-g)(x) = 6x^2 -2x -4
Step-by-step explanation:
a. (f+g)(x) = f(x) +g(x) = (6x^2 +2x -7) +(4x -3)
(f+g)(x) = 6x^2 +6x -10
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b. (f-g)(x) = f(x) -g(x) = (6x^2 +2x -7) -(4x -3)
(f-g)(x) = 6x^2 +2x -7 -4x +3
(f-g)(x) = 6x^2 -2x -4
