Water Is Being Pumped into a Pool at a Rate

question 106

Multiple Choice

Water is being pumped into a pool at a rate of 150 gallons per day, and is evaporating at a rate of 0.2% per day. Which is the differential equation for the amount, A, of gallons of water in the pool as a function of time, t, in days?

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Definitions:

Curve

In general, a smoothly flowing continuous line or surface that bends without angles.

Inverse Demand Function

A mathematical model that expresses price as a function of quantity demanded, showing how price varies with changes in demand.

Coffee

A beverage made from the roasted and ground seeds of the tropical evergreen coffee plant, consumed worldwide for its stimulating effects.

Total Revenue

The overall amount of income generated from the sale of goods or services, calculated by multiplying the selling price by the number of units sold.