If f(x)= 15x+7x and g(x)= x^2-5x, find (f+g)(x)

1 answer:

7 0

Answer:

(f+g)(x) = x^2 +10x +7

Step-by-step explanation:

(f+g)(x) = f(x) +g(x) = (15x +7) +(x^2 -5x)

= x^2 +x(15 -5) +7

= x^2 +10x +7

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