Simplify the expression. Assume that all variables are positive when they appear.
A. -5
B. 625
C. not a real number
D. 5
Answer: D
Mathematics
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Find the average value of the function f over the given region.f(x, y) = ex2 over the region bounded by 
, 
, 
, and 
.
A. 2e - 1
B. e - 1
C. 
D. 
Mathematics
Decide whether or not the following is a statement.Go fly a kite.
A. Statement B. Not a statement
Mathematics
Using the derivative of f(x) given below, determine the intervals on which f(x) is increasing or decreasing.f'(x) = (3 - x)(5 - x)
A. Decreasing on (-?, 3); increasing on (5, ?) B. Decreasing on (-?, 3) ? (5, ?); increasing on (3, 5) C. Decreasing on (-?, -3) ? (-5, ?); increasing on (-3, -5) D. Decreasing on (3, 5); increasing on (-?, 3) ? (5, ?)
Mathematics
Solve the equation by factoring.(x - 8)(x + 2) = 0
A. {-8, 2} B. {8, -8, 2, -2} C. {8, 2} D. {8, -2}
Mathematics