Use a Graphing Calculator to Find Any X -Intercepts of the Graph

question 155

Multiple Choice

Use a graphing calculator to find any x -intercepts of the graph $y = 7 x ^ { 3 } - 95 x ^ { 2 } - 42 x$ .

• A) \(\left( \frac { 3 } { 7 } , 0 \right) , ( - 14,0 )\)
• B) \(\left( \frac { 7 } { 3 } , 0 \right) , ( 0,0 ) , ( - 7,0 )\)
• C) \(\left( - \frac { 3 } { 7 } , 0 \right) , ( 0,0 ) , ( - 7,0 )\)
• D) \(\left( - \frac { 3 } { 7 } , 0 \right) , ( 0,0 ) , ( 14,0 )\)
• E) \(\left( - \frac { 7 } { 3 } , 0 \right) , ( 14,0 )\)

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Definitions:

Period Costs

Expenses that are not directly tied to production activities and are expensed in the period they are incurred, such as selling, general, and administrative expenses.

Overtime

The time worked by an employee or workers beyond the standard hours of work, usually compensated at a higher rate.

Idle Time

Time periods when resources such as personnel or machines are not actively engaged in production, often leading to inefficiency and increased costs.

Direct Labour Expense

The total cost of all the labour directly involved in the production of goods or services.