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Quiz 2.5

# Quiz 2.5 - Answer Corre ct Points 5 • 4 • Estimate how...

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1 ) Find the marginal cost and the marginal revenue for #4. (5pts)   C'(x) = (5/3)x^2 + 10x + 73; R'(x) = -2x - 2   C'(x) = (10/9)x + 5; R'(x) = -2x - 2   C'(x) = (10/9)x + 5; R'(x) = -3x^2 - 4x + 33   C'(x) = (5/3)x^2 + 10x + 73; R'(x) = -3x^2 - 4x + 33 Answer : Corre ct Points: 5 2 ) Find the marginal cost and the marginal revenue for #6. (5pts)   C'(x) = (6/7)x^2 + 65; R'(x) = -6 / (x + 3)^2   C'(x) = (6/7)x + 65; R'(x) = 2(x^2 + 6x + 18) / (x + 3)^2   C'(x) = (4/7)x; R'(x) = -6 / (x + 3)^2   C'(x) = (4/7)x; R'(x) = 2(x^2 + 6x + 18) / (x + 3)^2 Answer : Corre ct Points: 5 3 ) Find the marginal cost and the marginal revenue for #2. (5pts)   C'(x) = (3/4)x^2 + 6x + 67; R'(x) = (-1/5)   C'(x) = (1/2)x + 3; R'(x) = 9x - (2/5)x   C'(x) = (3/4)x^2 + 6x + 67; R'(x) = 9x - (2/5)x   C'(x) = (1/2)x + 3; R'(x) = (-1/5)

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Unformatted text preview: Answer Corre : ct Points: 5 • 4 ) • Estimate how much the function #8 will change as x decreases from 4 to 3.8. (5pts) • -0.008 • 0.008 • -0.014 • 0.014 Answer : Corre ct Points: 5 • 5 ) • Estimate the percentage change in the function #10 as x decreases from 5 to 4.6. (5pts) • increases 8.16% • decreases 8.16% • increases 7.58% • decreases 7.58% Answer : Incorrec t Points: • 6 ) • Answer #14. (5pts) • .7 parts per million • -.6 parts per million • .6 parts per million • .7 parts per million Answer : Corre ct Points: 5 • 7 ) • Answer both parts A and B of #12. (5pts) • Estimate: \$-232.00; Actual: -\$231.95 • Estimate: \$232.00; Actual: \$231.95 • Estimate: \$-231.90; Actual: -\$231.95 • Estimate: \$231.90; Actual: -\$231.95 Answer : Corre ct Points: 5...
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Quiz 2.5 - Answer Corre ct Points 5 • 4 • Estimate how...

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