SOLUTION: Find f (a), f (a + h), and the difference quotient for the function given below, where h does not equal 0. f(x) = x/(x + 5)

Question 1144668: Find f (a), f (a + h), and the difference quotient for the function given below, where h does not equal 0. f(x) = x/(x + 5)
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!

 








Everything in the top cancels except terms that contain h,
and some of them may cancel.



Now we form the difference quotient by dividing by h on the
left, and doing the equivalent multiplication by 1/h on the
right. [Dividing by h and multiplying by 1/h are the same.]



The h's cancel on the right and we are left with



Edwin

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