Unit 4 Exponential Functions Review (2) Class

Whats the horizontal asymptote?

• (0,3)
• y=3
• y=-2
• y=2

Tags

CCSS.HSF-IF.C.7D

What is the domain and range of the function y=2^x ?

Use the graph to help!

• Domain: (- ∞, + ∞)

  Range: (0, + ∞)

• Domain: (- ∞, + ∞)

  Range: (1, + ∞)

• Domain: (- 2, + ∞)

  Range: (0, + ∞)

• Domain: (- ∞, + ∞)

  Range: ( - ∞, + 0)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Is the pictured graph exponential growth, exponential decay, or linear or none?

• Exponential Growth

• Exponential Decay

• Linear

• None

Tags

CCSS.HSF-IF.C.7E

Which of the following is an increasing exponential function whose y-intercept is 50?

• y = 50(.05)^x
• y = 50x - 4
• y = (2)^x + 50
• y = 50(1.4)^x

Tags

CCSS.HSF.LE.A.2

The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.

• y=1400(1.09)^x
• y=1.09(1400)^x
• y=1400(.91)^x
• y=1.09^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(0.7)^x
• y=30(5000)^x
• y=5000(1.3)^x
• y=5000x^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

For  $f\left(x\right)=4\cdot3^x$ , find the correct graph, asymptote, domain and range.

• 
• 

Tags

CCSS.HSA.CED.A.2

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

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(15,000)^x
• y=15,000(1.08)^x
• y=15,000(0.92)^x
• y=15,000(0.08)^x

Tags

CCSS.HSF.LE.A.2