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Use the functions f(x) and g(x) to answer the question. f(x)=x^2+3 ; g(x)=x-7 Which expression is equal to (f+g)(x)? A) x^2+x-4 B) 2x^2-4 C) 2x^2+x-4 D) x^2+x+10
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Use the functions f(x) and g(x) to answer the question.

f(x)=x^2+3 ; g(x)=x-7

Which expression is equal to (f+g)(x)?

A) x^2+x-4

B) 2x^2-4

C) 2x^2+x-4

D) x^2+x+10

User Thanix
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1 Answer

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

Answer: C)

User Growiel
by
4.9k points
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