Rationalize the denominator. Assume that all variables represent positive real numbers.- 
A. - 
B. - 
C. - 
D. - 
Answer: C
Mathematics
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Sketch a typical level surface for the function.f(x, y, z) = 
A. 
B. 
C. 
D. 
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Solve the inequality by using the graph of the function.f(x) > 0, where f(x) = (x + 5)(x - 1)2.
A. (-?, ?) B. (-5, ?) C. (-5, 1) ? (1, ?) D. (-5, -1) ? (-1, ?)
Mathematics
Find the value of y3 when y = 7.
What will be an ideal response?
Mathematics
Solve the problem.You work 2 hours each weekday, and sometimes you work 8 hours on Saturday. What is the maximum number of hours you might work during any given week?
A. 26 B. 40 C. 18 D. 10
Mathematics