Exponential Functions

Is this exponential growth or decay?

• Growth
• Decay

Pick the equation that is exponential growth

• y=2(0.5)^x
• y = 0.5(2)^x

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

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

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

• Growth
• Decay
• Linear
• None

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

Use the graph to help!

• Domain: $\left(-\infty,\infty\right)$
  Range:

  $\left(0,\ \infty\right)$

• Domain: $\left(-\infty,\infty\right)$ Range: $\left(1,\infty\right)$
  

• Domain: $\left(2,\ \infty\right)$ Range: $\left(0,\infty\right)$

• Domain: $\left(0,\infty\right)$ Range: $\left(-\infty,\infty\right)$

Which equation matches this graph?

• 
• 
• 
• 

What is the horizontal asymptote for the graph of

f(x)=-2(3)^x+4-8 ?

• y=8

• y=-8

• x=-8

• x=-4

• none of the answer choices

Linear, exponential, or neither?
Amount triples each year

• Linear
• Exponential
• Neither
• All of the above

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

The function f(x)=450(.92)^x has an initial amount of (a)   and is ​ (b)   at a rate of ​ (c)   %.

• 450
• 92
• decaying
• 8
• 4.5

Tags

CCSS.MATH.CONTENT.HSA.CED.A.1