Rationalize the denominator. Assume that all variables represent positive values.

A.
B.
C.
D. u


Answer: A

Mathematics

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Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.(5x6y5)4(x8y3)-5

A.
B.
C.
D. 625x16y5

Mathematics

Solve the polynomial inequality. Express the solution in interval notation.(x + 2)(x + 1)(x - 6) < 0

A. (-2, -1) ? (6, ?) B. (6, ?) C. (-?, -1) D. (-?, -2) ? (-1, 6)

Mathematics

Use a graphing calculator or computer to determine whether or not the function f(x) = -|x|-|5-x| is one-to-one.

What will be an ideal response?

Mathematics

Find the slope of the line containing the given pair of points. If a slope is undefined, state that fact.(2, 3) and (8, 8)

A. - 
B.
C.
D.

Mathematics