Solve the problem.Find the area of the region enclosed by y = 4x sin x and the x-axis for 0 ? x ? ?.
A. 2?
B. ?
C. 4?
D. 8?
Answer: C
Mathematics
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Use the factor theorem to determine if x - c is a factor of f(x). If so, use synthetic division to write f(x) in the form 
f(x) = x2 + 8x - 48; x - 4
A. (x - 4)(x + 12) B. (x - 4)(x - 4) C. (x - 4) is not a factor D. (x - 4)(x - 12)
Mathematics
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = (x + 3)5 
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 + 8x + 12
A. (x - 6)(x + 1) B. (x + 6)(x + 2) C. (x - 6)(x + 2) D. prime
Mathematics
Use the properties of logarithms to find the value of the expression.Let logb A = 3.098 and logb B = 0.234. Find logb 
.
A. 3.332 B. 0.725 C. 3.098 D. 2.864
Mathematics