Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.

A.
B.
C.
D. 2


Answer: C

Mathematics

You might also like to view...

Factor the expression completely. : 30x² - 11x - 30

(a) (9x + 7)(5x - 6) (b) (9x - 7)(7x + 9) (c) (9x + 7)(7x - 9) (d) (6x + 5)(5x - 6) (e) (6x + 5)(7x - 9)

Mathematics

Use the graph of the polynomial to solve the indicated inequality.P(x) ? 0

A. (-?, -6] ? [-4, -1] B. (-?, -4] C. [-1, ?) D. [-6, -4] ? [-1, ?)

Mathematics

Use a graphing calculator to solve the linear equation.-9x + 2 + 7x = -2x + 7

A. ? B. {-2} C. all real numbers D. {5}

Mathematics

Solve the problem.A company determines that its marginal revenue (in dollars per day) is given by M The company's marginal cost (in dollars per day) is given by  Find the total profit from  to  (the first 6 days).

A. $19,416 B. $19,394 C. $19,409 D. $19,459

Mathematics