Exponent Growth and Decay

In an exponential function, what does the b value represent?

• Rate of growth or decay

• Growth or Decay factor

• Initial value

• Exponent

Tags

CCSS.HSF-IF.C.8B

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

• 0.08

• 0.92

• 1.08

• 8

Tags

CCSS.HSF-IF.C.8B

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

• y = 15(35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

• y = 15(1.35)^x

Tags

CCSS.HSF.LE.A.2

What are two points on the graph of y = 5(3)^x?

• (0, 3) and (1, 15)

• (0, 5) and (1, 15)

• (0, 3) and (1, 5)

• (0, 5) and (1, 3)

Tags

CCSS.HSF-IF.C.7E

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

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF-IF.C.8B

Which of the graphs below represents y = 6(2)^x?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7E

The horizontal asymptote of y = 3(2)^x is:

• the y-axis

• the x-axis

• y = x

• There is no asymptote

Tags

CCSS.HSF-IF.C.7D

Determine the value of the decay rate for the function y = 56(0.45)^x?

• 0.55

• 0.45

• 1.45

• 1.55

Tags

CCSS.HSF-IF.C.8B

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

Tags

CCSS.HSF-IF.C.7E

In the exponential function, what does b represent?

• growth/decay factor

• initial value

• number of times something occurs

• function

Tags

CCSS.HSF-IF.C.8B