Lesson 4 Practice Problems

Tags

CCSS.HSF.LE.A.4

A medication has a half-life of 4 hours after it enters the bloodstream. A nurse administers a dose of 225 milligrams to a patient at noon.

Write an expression to represent the amount of medication, in milligrams, in the patient’s body at 7 p.m. on the same day.

Tags

CCSS.HSF.LE.A.4

The number of employees in a company has been growing exponentially by 10% each year. By what factor does the number of employees change every 3 months?

The number of employees in a company has been growing exponentially by 10% each year. By what factor does the number of employees change every 20 months?

• True

• False

• True

• False

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CCSS.8.EE.A.2

• True

• False

• True

• False

Lin is saving $300 per year in an account that pays 4.5% interest per year, compounded annually. About how much money will she have 20 years after she started?

• $545.45

• $3,748.78

• $9,411.43

• $1,124,634.54

Tags

CCSS.HSF.BF.A.2