Test2 sg - Test 2 study guide(Show all your work Math 1101...

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Unformatted text preview: Test 2 study guide (Show all your work) Math 1101 fall 11 No.: _______ Name: ________________ 1. Solve the inequality, giving the solution in interval form. 1) -9(x-6) > 5x-2 2) 7 < 3x-11 < 25 2. Bob can be paid in one of two ways for the furniture he sells. Plan A: Salary of $ 550 per month, plus a commission of 10% of sales. Plan B: Salary of $ 750 per month, plus a commission of 15% of sales in excess of $ 5000. For what amount of monthly sales is plan B better than plan A, assuming that Bob’s sales are always more than $5000? 3. If a student has an average exam score between 70 and 79, he will earn a grade of C in his algebra course. Suppose he has three exam scores of 75, 62, and 81 and that his teacher said the final exam has twice the weight of the other three exams. What range of scores on the final exam will result in him earning a grade of C? 4. A company is planning to make a new kind of radio. The cost to produce x radios is C = 94,000+17x. Meanwhile, the revenue earned by selling x radios is given by R=24x. If R < C, the company loses money. At what level of production does this happen?...
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Test2 sg - Test 2 study guide(Show all your work Math 1101...

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