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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This note was uploaded on 07/22/2011 for the course MATH 2143 taught by Professor Smart during the Spring '11 term at ASU.

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Quiz 2.5 - Answer Corre : ct Points: 5 4 ) Estimate how...

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