Application of Decay Functions

Application of Decay Functions

10th Grade

20 Qs

quiz-placeholder

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Application of Decay Functions

Application of Decay Functions

Assessment

Quiz

Mathematics

10th Grade

Hard

CCSS
HSF-LE.A.1C, HSF-IF.C.8B, HSF.LE.A.2

+3

Standards-aligned

Created by

Anthony Clark

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

y=5000(0.7)x

y=30(5000)x

y=5000(1.3)x

y=5000xx

Tags

CCSS.HSF.LE.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?

.08

1.08

.92

8

Tags

CCSS.HSF-LE.A.1C

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The value of a car purchased for $20,000 decreases at a rate of 12% per year. What will be the value of the car after 3 years?

$12,800.00

$13,629.44

$17,600.00

$28,098.56

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A sailboat that costs $5,950 decreases in value by 11% per year. How much will the boat be worth after 6 years?

$5,884.00

$5,178.97

$2,992.96

$2,957.04

Tags

CCSS.HSF.BF.A.2

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

A medicine is applied to a burn on a patient's arm. The area of the burn in square centimeters decreases exponentially and is shown in the graph.

What is the area of the burn after 7 weeks? Round to three decimal places.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A radioactive substance decays by 10% every hour. If there are initially 400 grams of the substance, how much will be left after 3 hours?

291.6

0.4

532.4

400

Tags

CCSS.HSF.LE.A.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Every hour an antibiotic is left in your body, the amount present DECREASES by 5%. If you started with 34mg of medicine in your body how much is left after 5 hours?

about 26mg

about 43mg

about 20mg

about 15mg

Tags

CCSS.HSF-LE.A.1C

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