A Spherical Balloon with Radius $r$ Inches Has Volume $$\frac { 4 } { 3 } \pi r ^ { 3 }$$

question 90

Short Answer

A spherical balloon with radius $r$ inches has volume
$$\frac { 4 } { 3 } \pi r ^ { 3 }$$
Find a function that represents the amount of air required to inflate the balloon from a radius of $r$ inches to a radius of $r + 1$ inches.

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Definitions:

Market Equilibrium

A condition where the quantity supplied equals the quantity demanded at the market price.

Price Ceiling

A price ceiling is a government-imposed limit on the price charged for a product, intended to ensure the good remains affordable for consumers.

Widgets

A generic term for any hypothetical or unspecified product or manufactured good used in discussions of business and economics.

Price Ceiling

A government-imposed limit on how high a price can be charged for a product or service.