In the Following Formula, F(x) Is the Minimum Number of Hours

question 313

Multiple Choice

In the following formula, f(x) is the minimum number of hours of studying required to attain a test score of x: $$f ( x ) = \frac { 0.52 x } { 100.5 - x }$$ How many hours of study are needed to score 96?

• A) 21.45 hr
• B) 99.96 hr
• C) 110.90 hr
• D) 11.09 hr

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Definitions:

Centimeters

A unit of length in the metric system equal to one hundredth of a meter, commonly used to measure small distances.

Copper Penny

A coin made primarily of copper, often used colloquially to refer to one cent coins in the United States and other countries.

Centimeters

In the metric system, a length measurement that is exactly one percent of a meter.

Inches

A unit of length in the Imperial and United States customary systems of measurement, equal to 1/12 of a foot.