Precalculus Examples

Find the Average Rate of Change f(x) = cube root of x ; 3<=x<=12
;
Step 1
Write as an equation.
Step 2
Substitute using the average rate of change formula.
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Step 2.1
The average rate of change of a function can be found by calculating the change in values of the two points divided by the change in values of the two points.
Step 2.2
Substitute the equation for and , replacing in the function with the corresponding value.
Step 3
Simplify the denominator.
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Step 3.1
Multiply by .
Step 3.2
Subtract from .
Step 4
The result can be shown in multiple forms.
Exact Form:
Decimal Form: