Rationalize the denominator. Assume all variables represent positive real numbers. 

A. 3y
B.
C. 3
D.


Answer: D

Mathematics

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Provide an appropriate response.What base is being used in a 3-digit numeral having place values as depicted in the table.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Use a graphing utility to graph the polar equation.r = 

A.

B.

C.

D.

Mathematics

Consider a family of functions . Graph all the given members of the family in the viewing rectangle indicated.

? (a) by  ? (b) by  ? How does the value of c affect the graph? ? A. The graphs in part (a) are obtained by shifting the graph of  to the right c units, . The graphs in part (b) are obtained by shifting the graph of  to the left units, .
B. The graphs in part (a) are obtained by shifting the graph of  to the left c units, . The graphs in part (b) are obtained by shifting the graph of  to the right  units, .
C. The graphs in part (a) are obtained by shifting the graph of  to the left and downwards c units, . The graphs in part (b) are obtained by shifting the graph of  to the right and up units, .
D. The graphs in part (a) are obtained by shifting the graph of  up c units, . The graphs in part (b) are obtained by shifting downwards the graph of  units, .
E. The graphs in part (a) are obtained by shifting the graph of  downwards c units, . The graphs in part (b) are obtained by shifting the graph of  up  units, .

Mathematics

Simplify the expression. If any variables exist, assume that they are positive. -  

A. -5
B. -10
C. - 10
D. - 

Mathematics