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Furkat [3]
3 years ago
9

Evaluate the difference quotient for the given function. Simplify your answer.

Mathematics
1 answer:
hammer [34]3 years ago
5 0

Answer:

  -2-h

Step-by-step explanation:

It doesn't hurt to follow directions.

  q=\dfrac{f(3+h)-f(3)}{h}=\dfrac{(5 +4(3+h)-(3+h)^2)-(5 +4(3)-(3)^2)}{h}\\\\=\dfrac{5-5+4(3+h-3)-((3+h)^2-3^2)}{h}=\dfrac{4h-(6h+h^2)}{h}\\\\=\dfrac{-2h-h^2}{h}=\boxed{-2-h}

__

Steps: substitute 3+h and 3 for x in the definition of f(x) and simplify the result.

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