# Finite Math Examples

Find the Maximum/Minimum Value
Find the x-value the minimum occurs at. Use this value to find the minimum value.
The maximum or minimum of a quadratic function occurs at . If is negative, the maximum value of the function is . If is positive, the minimum value of the function is .
occurs at
Find the value of equal to .
Substitute in the values of and .
Remove the extra parentheses from the expression .
Remove the parentheses from the numerator.
Remove the parentheses from the denominator.
Multiply by to get .
Reduce the expression by cancelling the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Divide by to get .
Multiply by to get .
Replace the variable with in the expression.
Simplify the result.
Simplify each term.
Remove parentheses around .
Raising to any positive power yields .
Subtract from to get .

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