09-c-key - 3000 C x x x = -+ + . C is stated in thousands...

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Math 1314 Daily Poppers 09 Bubble in Assign #09 and your PSID # 1. Suppose 3 2 ( ) 6 5 3 f x x x x = - + + . Find the second derivative. A. 2 3 12 5 x x - + B. 6 12 x - C. 6 12 x + D. 5 12 x - E. None of the above
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Suppose 3 2 ( ) 6 5 3 f x x x x = - + + . Find all values of x for which ( ) 0 f x ′′ = . A. 2 B. -2 C. 2.4 D. 0 E. None of the above
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3. Suppose 3 2 ( ) 6 5 3 f x x x x = - + + . Find all intervals on which f is concave upward. A. ( 29 ,2 -∞ B. ( 29 , 2 -∞ - C. ( 29 2, D. ( 29 2, - ∞ E. None of the above
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4. Suppose 3 2 ( ) 6 5 3 f x x x x = - + + . How many infection points does the graph of f have? A. 0 B. 1 C. 2 D. 3 E. None of the above
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5. A company finds that the demand for its product can be expressed as .3 550 p x = - + . Find the revenue function. A. 2 ( ) .3 550 R x x x = + B. 2 ( ) .3 550 R x x x = - C. ( ) .3 R x = - D. 2 ( ) .3 550 R x x x = - + E. None of the above
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6. A company finds that its total monthly cost for producing x of its product is given by the function: 2 ( ) .01 800
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Unformatted text preview: 3000 C x x x = -+ + . C is stated in thousands of dollars. Use the marginal cost function to approximate the cost of producing the 5001 st item. A. $700 B. $3,753,700 C. $699.98 D. $3,753,000 E. None of the above 7. A company finds that its total monthly cost for producing x of its product is given by the function: 2 ( ) .01 800 3000 C x x x = -+ + . C is stated in thousands of dollars. Find the average cost function. A. 3000 .01 800 x x-+ + B. .02 800 x-+ C. 2 3000 .01 x--D. None of the above 8. If '(2000) 5400 and '(2000) 6100 C R = = where both are expressed in dollars, what is the approximate profit realized on the sale of the 2001 st item? A. Not enough information is given. B. $11,500 C. $700 D. $7 E. None of the above...
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09-c-key - 3000 C x x x = -+ + . C is stated in thousands...

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