MAC2233_2010_Summer_Q08A

# MAC2233_2010_Summer_Q08A - = 3 ft? A) 6 ft 2 /ft B) 3 ft 2...

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Name______________________________________________________________________ Date_________________ MAC 2233: Quiz 8 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question Evaluate dy/dt for the function at the point. 1) x 3 + y 3 = 9; dx/dt = - 3, x = 1, y = 2 A) 4 3 B) - 4 3 C) - 3 4 D) 3 4 1) Solve the problem. 2) Suppose that the dollar cost of producing x radios is c(x) = 600 + 30x - 0.2x 2 . Find the marginal cost when 40 radios are produced. A) \$14 B) - \$1480 C) \$46 D) \$1480 2) 3) The area A = πr 2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when r

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Unformatted text preview: = 3 ft? A) 6 ft 2 /ft B) 3 ft 2 /ft C) 6 ft 2 /ft D) 9 ft 2 /ft 3) 4) The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is s = 60t -3t 2 , t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop? A) 60 sec B) 20 sec C) 30 sec D) 10 sec 4) Find the second derivative. 5) y = 1 13x 2 + 1 9x A) 6 13x 4-2 9x 3 B)-2 13x 3-1 9x 2 C) 6 13x 4 + 2 9x 3 D)-2 13x 4 + 1 9x 3 5) A-1 Answer Key Testname: MAC2233_2010_SUMMER_Q08 1) D 2) A 3) A 4) D 5) C A-2...
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## This note was uploaded on 02/15/2012 for the course MAC 2233 taught by Professor Staff during the Fall '10 term at Broward College.

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MAC2233_2010_Summer_Q08A - = 3 ft? A) 6 ft 2 /ft B) 3 ft 2...

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