Growth and Decay

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(0.35)^x
• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

Tags

CCSS.HSF.LE.A.2

What type of function is y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay
• Linear
• None of the above

Tags

CCSS.HSF-IF.C.8B

What is the decay factor in the following model?
A=1200(.85)⁶

• 1200
• -.15
• .85
• A

Tags

CCSS.HSF-IF.C.8B

Suppose you deposit $1000 in a college fund that pays 7.2% interest compounded annually. Find the account balance after 5 years.

• 2489

• 1598

• 1415

• 37073984

Tags

CCSS.HSF-LE.A.1C

Is y = 5(1.04)^x growth or decay?

• Growth

• Decay

Tags

CCSS.HSF-IF.C.8B

A town with a population of 5,000 grows 3% per year. Find the population at the end of 10 years.

• 9,689

• 6,719

• 52,428

• 5,150

Tags

CCSS.HSF.BF.A.2