7.1.3&7.1.4 Exponential Equations

What rate makes an exponential function grow?

• great than 0

• less than 1

• greater than 1

• between 0 and 1

Tags

CCSS.HSF-IF.C.8B

What rate makes exponential function decay?

• greater than 0

• less than 1 (including negatives)

• greater than 1

• between 0 and 1

Tags

CCSS.HSF-IF.C.8B

Does this graph represent exponential growth or decay?

• Growth 
• Decay
• cannot be determined

Tags

CCSS.HSF-IF.C.7E

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

• y=8(1+ 15,000)^x
• y=15,000(1+ .08)^x
• y=15,000(1 - .08)^x
• y=15,000(0.08)^x

Tags

CCSS.HSF.LE.A.2

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

• y=5000(1 - .30)^x
• y=30(1- 5000)^x
• y=5000(1 + .30)^x
• y=5000x^x

Tags

CCSS.HSF.LE.A.2

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months? Round your answer

• 9766
• 9006
• 9765
• 5433

Tags

CCSS.HSF.BF.A.2

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1 +.35)^x
• y = 15(1- .35)^x
• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

• A

• B

• C

• D

Tags

CCSS.HSF.LE.A.2

• A

• B

• C

• D

Tags

CCSS.HSF.LE.A.2

• A

• B

• C

• D

Tags

CCSS.HSF.LE.A.2