Exponential Growth and Decay

A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?

• 14327
• 4309
• 839
• 7680

Tags

CCSS.7.RP.A.3

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

• $23,219.72
• $136.72
• $51,710.94
• $16,710.94

Tags

CCSS.7.RP.A.3

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

Pick the equation that is exponential growth

• y=2(0.5)^x
• y = 0.5(2)^x

Tags

CCSS.HSF-LE.A.1A

Pick the equation that is exponential decay

• y=2000(0.88)
• y=0.5(1.88)

Tags

CCSS.HSF.LE.A.1

Which equation matches the graph?

• y=2(2)^x
• y=2(1/2)^x
• y=2^x
• y=1/2(2)^x

Tags

CCSS.HSF.LE.A.2

In an exponential function, what does the 'a' represent? 

• SLOPE
• RATE OF CHANGE
• INITIAL AMOUNT
• GROWTH OR DECAY FACTOR

Tags

CCSS.HSF-IF.C.8B

Which the following graphs shows an exponential decay equation?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7E