Precalculus Examples

Find the Difference Quotient square root of x
Step 1
Write as a function.
Step 2
Consider the difference quotient formula.
Step 3
Find the components of the definition.
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Step 3.1
Evaluate the function at .
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Step 3.1.1
Replace the variable with in the expression.
Step 3.1.2
Simplify the result.
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Step 3.1.2.1
Remove parentheses.
Step 3.1.2.2
The final answer is .
Step 3.2
Find the components of the definition.
Step 4
Plug in the components.
Step 5
Multiply by .
Step 6