Simplify the expression. Assume all variables represent nonzero real numbers.(4xy)2
A. 16xy
B. 8xy
C. 16x2y2
D. 8x2y2
Answer: C
Mathematics
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 2 and x = 8 using the "midpoint rule" with two rectangles of equal width.
A. 
B. 
C. 
D. 
Mathematics
Compute AB, if possible.A = 
and B = 
A. 
B. 
C. not possible
D. 
Mathematics
Approximate to three decimal places.
A. 4.464 B. 3.463 C. 3.474 D. 3.464
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither.y = - 
x + 2y = 
x + 2
A. Parallel B. Perpendicular C. Neither
Mathematics