# Quadratic word problem

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Please assist with the attached file.

Please demonstrate the steps and how to plot on a line graph.

Quadratic and Rational Inequalities

Word Problem

Solve by using a quadratic inequality

Sue's revenue R (in dollars) for the sale of her cookies is determine by the formula

Her cost, C (in dollars) for producing the cookies is given by the formula

.

For what values of x is Sue's profit positive? (Profit = Revenue - cost)

Draw on a number line.

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#### Solution Summary

This provides an example of solving a word problem that involves a quadratic equation for profit and revenue.

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