Solve the Inequality and Graph the Solution Set $$\frac { 3 } { 5 } u + 1 > 0 \text { or } - 4 u \geq - 12$$

question 30

Multiple Choice

Solve the inequality and graph the solution set. Write your answer in interval notation. $$\frac { 3 } { 5 } u + 1 > 0 \text { or } - 4 u \geq - 12$$

• A) \(\left( - \frac { 5 } { 3 } , \infty \right)\)
• B) \(( - \infty , \infty )\)
• C) \(( - \infty , 3 ]\)
• D) \([ 3 , \infty )\)

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Definitions:

Mixed Cost

A cost that contains both variable and fixed cost elements, making its total expense vary with changes in the level of output.

Fixed Cost

Expenses that do not fluctuate with changes in production volume, staying constant even as production levels vary.

Liability Insurance

A type of insurance that protects an individual or business from the risk of being sued and held legally liable for something such as malpractice, injury, or negligence.

Step-Variable Cost

A cost that remains fixed for a certain level of production or activity, but jumps to a higher amount once a certain threshold is exceeded.