Quiz #2 (Exp. Func., Transf., Comp. Int)

What type of function is f(x)=2(1/7)^x ?

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

Tags

CCSS.HSF-IF.C.8B

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

• Growth
• Decay
• Linear
• None

Tags

CCSS.HSF-IF.C.7E

Is the following function an example of decay or growth?

f(x) = 2(1.25)^x

• Exponential Growth

• Exponential Decay

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

Use the graph to help!

• Domain: −∞<x<∞

  Range: y>0

• Domain: −∞<x<∞

  Range: y>1

• Domain: −2<x<∞

  Range: y>0

• Domain: −∞<x<∞

  Range: y>1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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

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

• 
• 

Tags

CCSS.HSF-IF.C.7E

The special number, natural base "e", is a ________________ number.

• rational

• irrational

• real

Tags

CCSS.8.NS.A.1

Does the function $y=4e^{-0.75x}$  represent exponential growth or decay?

• exponential growth because r>0

• exponential growth because r<0

• exponential decay because r>0

• exponential decay because r<0

Tags

CCSS.HSF-IF.C.8B

Which of the following graphs matches the function $y=4e^{-0.5x}$  ?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7E

How has the function  $7\left(3\right)^x-5$  been transformed from the parent function  $7\left(3\right)^x$  ?

• Shifted up 5

• Shifted down 5

• Reflection over the x-axis

• Reflection over the y-axis

Tags

CCSS.HSF.BF.B.3