Use the Following Steps

question 65

Essay

Use the following steps.
A) Write an equation for the areas using integrals.
B) Differentiate the equation in A and solve the resulting linear equation.
Ans:
A) B)
-A pool contains 12 million gal of fresh water. Contaminated water flows into the pool at a rate of 4 million gal/year as the mixture in the pool flows out at the same rate.
The concentration of the chemical in the incoming contaminated water is g/gal, where t is in years.
Find the amount of the chemical in the pool at time .

• A) Write an equation for the areas using integrals.
• B) Differentiate the equation in A and solve the resulting linear equation.
• Ans:
• B) -A pool contains 12 million gal of fresh water. Contaminated water flows into the pool at a rate of 4 million gal/year as the mixture in the pool flows out at the same rate. The concentration of the chemical in the incoming contaminated water is g/gal, where t is in years. Find the amount of the chemical in the pool at time .

---

Definitions:

Personnel File

A collection of records kept by an employer that contains information related to an employee’s personal and employment history.

Biographical Data Inventory

A type of assessment tool that uses details from a person's life history to predict behavior and performance.

Late To Work

Circumstances or incidences where an employee arrives after the scheduled time to begin work, which can affect performance evaluations and job security.

Event Sample

The collection and analysis of samples of behavior from events as they occur in a natural setting.