For f(x)=3x+1 and g(x)=x•x-6,find (f - g)(x)

asked Oct 22, 2020 184k views

2 votes

by Dondi

5.9k points

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4 votes

Answer:

$\large\boxed{(f-g)(x)=-x^2+3x+7}$

Explanation:

$(f-g)(x)=f(x)-g(x)\\\\f(x)=3x+1,\ g(x)=x^2-6\\\\(f-g)(x)=(3x+1)-(x^2-6)=3x+1-x^2+6=-x^2+3x+7$

Morris Miao answered Oct 28, 2020

5.3k points

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