Find the indicated derivative.Find y " if y = 4x sin x.
A. y " = - 8 cos x + 4x sin x
B. y " = 4 cos x - 8x sin x
C. y " = - 4x sin x
D. y " = 8 cos x - 4x sin x
Answer: D
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Determine whether the function is a probability density function over the given interval.f(x) = 10x over 
A. Yes B. No
Solve the problem. Use 3.14 for ?.The shape of a patio is trapezoidal with a height of 12 feet and bases of 14 feet and 8 feet. What is the area of the patio? Round results to the nearest unit.
A. 132 ft2 B. 11 ft2 C. 672 ft2 D. 264 ft2
Find the first four terms of the binomial series for the given function.(1 + 5x)1/3
A. 1 + 
x - 
x2 + 
x3
B. 1 - 
x + 
x2 - 
x3
C. 1 + 
x + 
x2 + 
x3
D. 1 + 
x - 
x2 + 
x3
Solve.A bottle weighs 140 grams. Find the weight in kilograms of 32 bottles.
A. 4.48 kg B. 4,480,000 kg C. 4480 kg D. 44.8 kg