Rationalize the Denominator $\frac { 4 } { \sqrt { x + h } - \sqrt { x } }$

question 50

Multiple Choice

Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not
zero.
- $\frac { 4 } { \sqrt { x + h } - \sqrt { x } }$

• A) \(\frac { 4 ( \sqrt { x + h } + \sqrt { x } ) } { h }\)
• B) \(\frac { 4 ( \sqrt { x + h } - \sqrt { x } ) } { h }\)
• C) \(\frac { 4 \sqrt { h } } { h }\)
• D) \(\frac { 4 \sqrt { x + h } + \sqrt { x } } { h }\)

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