Solve the Problem $\{ x \mid 32 < x < 40 \}$

question 259

Multiple Choice

Solve the problem.
-The revenue achieved by selling x graphing calculators is figured to be x(50 - 0.5x) dollars. The cost of each calculator is $14. How many graphing calculators must be sold to make a profit (revenue - cost) of at least
$630.00?

• A) \(\{ x \mid 32 < x < 40 \}\)
• B) \(\{ x \mid 30 < x < 42 \}\)
• C) \(\{ \mathrm { x } \mid 39 < \mathrm { x } < 51 \}\)
• D) \(\{ x \mid 31 < x < 41 \}\)

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Definitions:

Cost-Efficient Formula

A method or calculation designed to minimize expenses while maximizing output or effectiveness, achieving an optimum balance between cost and performance.

Competitors

Other businesses or individuals that offer similar products or services and vie for the same customers or market share.

Focused Differentiation Strategy

A business approach where a company offers unique products or services to a specific, narrow target market.

Competitive Advantage

A condition or circumstance that places a company or entity in a favorable or superior position relative to competitors.