The Profit (In Dollars) from Selling X Units of Calculus $p = - 0.05 x ^ { 2 } + 20 x - 3000$

question 11

Multiple Choice

The profit (in dollars) from selling x units of calculus textbooks is given by $p = - 0.05 x ^ { 2 } + 20 x - 3000$ . Find the additional profit when the sales increase from 149 to 150 units. Round your answer to two decimal places.

• A)$5.05
• B)$20.00
• C)$5.15
• D)$10.20
• E)$10.00

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Definitions:

Rounding Rules

Guidelines used in mathematics and statistics for reducing the number of digits in a numeric value according to certain criteria, typically to make the value simpler or more intuitive.

Rounded

The process of adjusting numerical values to a specified degree of accuracy, typically to make them simpler or more manageable.

Rounded

A numerical value that has been adjusted to a less precise form, often to make it simpler or easier to communicate.

Median

In a dataset arranged by size, either upwards or downwards, the middlemost value is referred to as the median.