The Path of a Rock Released from a Catapult Is

question 62

Multiple Choice

The path of a rock released from a catapult is modeled by . The coordinates x and y are measured in feet, with x = 0 corresponding to the position from which the ball was thrown. Find the highest point and range of the trajectory. Hint: The highest point is the y value of the vertex of the parabola, and the range is the positive x value where y = 0.

• A) highest point: 12 ft range: 140 ft
• B) highest point: 35 ft range: 140 ft
• C) highest point: 12 ft range: 35 ft
• D) highest point: 12 ft range: ft
• E) highest point: 35 ft range: 70 ft

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The sum of the expenses of the firm that vary directly with the quantity of a product that is produced and sold.

Variable Cost

Costs that change in proportion to the level of production or sales activity, such as raw materials or labor expenses.

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The sum of all expenses incurred in the production and delivery of a product or service, including fixed and variable costs.

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