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Chapter 1: Problem 31
An automobile repair shop charged a customer \(\$ 448,\) listing \(\$ 63\) for parts and the remainder for labor. If the cost of labor is \(\$ 35\) per hour, how many hours of labor did it take to repair the car?
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In Exercises 95鈥�102, use interval notation to represent all values of x satisfying the given conditions. $$ y=|3 x-4|+2 \text { and } y<8 $$
If you are given a quadratic equation, how do you determine which method to use to solve it?
Find all values of \(x\) satisfying the given conditions. $$ y_{1}=\frac{2 x}{x+2}, y_{2}=\frac{3}{x+4}, \text { and } y_{1}+y_{2}=1 $$
List all numbers that must be excluded from the domain of each rational expression. $$ \frac{3}{2 x^{2}+4 x-9} $$
In Exercises 122鈥�133, use the strategy for solving word problems, modeling the verbal conditions of the problem with a linear inequality. A city commission has proposed two tax bills. The first bill requires that a homeowner pay 1800 dollar plus \(3 \%\) of the assessed home value in taxes. The second bill requires taxes of 200 dollar plus \(8 \%\) of the assessed home value. What price range of home assessment would make the first bill a better deal?
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