Solve Applied Problems Involving Parabolas
-A Reflecting Telescope Has a Parabolic

question 161

Multiple Choice

Solve Applied Problems Involving Parabolas
-A reflecting telescope has a parabolic mirror for which the distance from the vertex to the focus is 32 feet. If the distance across the top of the mirror is 78 inches, how deep is the mirror in the center?

• A) \(\frac { 507 } { 512 } \mathrm { in }\).
• B) \(\frac { 1521 } { 128 } \mathrm { in }\).
• C) \(\frac { 169 } { 2048 }\) in.
• D) \(\frac { 256 } { 39 } \mathrm { in }\).

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Definitions:

Average Costs

The total cost of production divided by the quantity of output produced, indicating the cost of producing each unit.

Exhibits

Displays or presentations, often in museums or galleries, that showcase artifacts or works of art for public viewing.

Economies of Scale

Refer to the cost advantages that enterprises obtain due to their scale of operation, typically resulting in the reduction of cost per unit.

Diseconomies of Scale

The phenomenon when a company or business grows so large that the costs per unit increase, leading to inefficiency.