Solve the problem.Find the area between y = (x - 4)ex and the x-axis from x = 4 to x = 9.
A. 4e9
B. e9 - e4
C. 4e9 + e4
D. e9 + e4
Answer: C
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Find the flux of the curl of field F through the shell S.F = exi + eyj + 2xyk; S is the portion of the paraboloid 1 - x2 - y2 = z that lies above the 
A. -2? B. 2 C. 0 D. -2
For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (5t sin t + 5 cos t)i + (5t cos t - 5 sin t)j + 3k
A. a = 
N
B. a = 5T + 5tN
C. a = 5T + 
N
D. a = 5tN
Provide an appropriate response.Collision and comprehensive insurance coverage:
A. only pays the insurer B. has no deductible C. is compulsory in most states D. only pays the insured
Solve the problem.A convention manager finds that she has $1440 made up of twenties and fifties. She has a total of 45 bills. How many fifty-dollar bills does the manager have?
A. 12 fifty-dollar bills B. 27 fifty-dollar bills C. 18 fifty-dollar bills D. 45 fifty-dollar bills