SOLUTION: given f(x)=20x+7 and g(x) =2x^2-4x+13, find (f-g)(x) then evaluate the difference when x=10.

SOLUTION: given f(x)=20x+7 and g(x) =2x^2-4x+13, find (f-g)(x) then evaluate the difference when x=10.

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Question 404119: given f(x)=20x+7 and g(x) =2x^2-4x+13, find (f-g)(x) then evaluate the difference when x=10.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
given f(x)=20x+7 and g(x) =2x^2-4x+13, find (f-g)(x) then evaluate the difference when x=10.
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(f-g)(x) = f(x)-g(x)
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= 20x+7 - (2x^2-4x+13)
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= -2x^2 +24x -6
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(f-g)(10) = -2(10^2)+24(10)-6
= -200 + 240 -6
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= 34
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Cheers,
Stan H.
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