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If f(x)=10x+7 and g(x)= x^2-7x, find (f-g)(x).
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If f(x)=10x+7 and g(x)= x^2-7x, find (f-g)(x).

If f(x)=10x+7 and g(x)= x^2-7x, find (f-g)(x).-example-1
User Maddesa
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1 Answer

3 votes

Answer:

Choice C.
(f-g)(x)=-x^2+17x+7

Explanation:

Recall that
f-g is defined by


(f-g)(x)=f(x)-g(x)

Therefore we compute


(f-g)(x)=f(x)-g(x)=10x+7-x^2+7x=-x^2+17x+7

User Teifi
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