Simplify the expression without a calculator.64-3/2
A. 
B. - 
C. -512
D. 512
Answer: A
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Find the extreme values of the function and where they occur.y = 
A. Absolute maximum is - 
at x = 0; absolute minimum is 1 at x = -2.
B. Absolute maximum is 3 at x = 0; absolute minimum is 
at x = -2.
C. None
D. Absolute maximum is 
at x = 0; absolute minimum is - 1 at x = -2.
Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the tetrahedron bounded by the coordinate planes and the plane 
A. 
B. 
C. 
D. 
Find the correlation coefficient.The following are costs of advertising (in thousands of dollars) and the number of products sold (in thousands): 
A. 0.6112 B. -0.3707 C. 0.2635 D. 0.6756
Factor, if possible.10z3 + 9z2 - 9z
A. z(10z + 1)(z - 9) B. (2z + 3)(5z2 - 3z) C. z(2z + 3)(5z - 3) D. (2z - 3)(5z + 3)