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Precalculus : Building Concepts and Connections

Applications In this set of exercises you will use the concepts of intersection of lines and linear inequalities to study real-world problems.

Cost and Revenue In Exercises $69-72,$ for each set of cost and revenue functions, (a) find the break-even point and (b) calculate the values of $q$ for cohich retucnue exceeds cost.

$$\begin{aligned} &C(q)=8 q+150\\ &R(q)=10 q \end{aligned}$$