Difference Quotient Calculator - EMathHelp

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Difference Quotient Calculator

Calculate different quotients step by step

The calculator will find the difference quotient for the given function, with steps shown.

Function $$$f$$$:

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Your Input

Find the difference quotient for $$$f{\left(x \right)} = x^{2} + 3 x + 5$$$.

Solution

The difference quotient is given by $$$\frac{f{\left(x + h \right)} - f{\left(x \right)}}{h}$$$.

To find $$$f{\left(x + h \right)}$$$, plug $$$x + h$$$ instead of $$$x$$$: $$$f{\left(x + h \right)} = \left(x + h\right)^{2} + 3 \left(x + h\right) + 5$$$.

Finally, $$$\frac{f{\left(x + h \right)} - f{\left(x \right)}}{h} = \frac{\left(\left(x + h\right)^{2} + 3 \left(x + h\right) + 5\right) - \left(x^{2} + 3 x + 5\right)}{h} = h + 2 x + 3$$$.

Answer

The difference quotient for $$$f{\left(x \right)} = x^{2} + 3 x + 5$$$A is $$$h + 2 x + 3$$$A.

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