Exponential functions and rules

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

• initial

• rate of change

• common ratio

What is a for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

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

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)^x

• Growth

• Decay

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?

• 9766
• 9006
• 9765
• 5433

Tags

CCSS.HSF.BF.A.2

Simplify the exponential expression:

• 10x^-2
• 2x²
• 2x¹²
• 10x¹²

Tags

CCSS.HSA.APR.A.1

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 does this graph represent?

• Exponential Growth

• Exponential Decay

Tags

CCSS.HSF-IF.C.7E

Which does y=.5(2)^x represent?

• Exponential Growth

• Exponential Decay

Tags

CCSS.HSF-IF.C.8B