SOLUTION: what is the difference quotient for f(x)=x(squared)-5x+8

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Question 661826: what is the difference quotient for f(x)=x(squared)-5x+8
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
what is the difference quotient for
f(x)= x^2-5x+8
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f(x+h) = (x+h)^2 - 5(x+h) + 8
f(x+h) = x^2 + 2hx + h^2 - 5x - 5h + 8
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f(x+h)-f(x) = 2hx +h^2 -5h
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[f(x+h)-f(x)]/h = 2x + h -5
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Cheers,
Stan H.
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