6.3-6.4 Exponential Functions and Applications (Quick)

What is the equation that represents the exponential function in the image below?

• y=3(½)^x
• y=3(2)^x
• y=(2)^x
• y=2(3)^x

Tags

CCSS.HSF.LE.A.2

g(x)=3(2)^{x
Find g(3)}

• 216
• 24
• 18
• 28

Tags

CCSS.HSF-IF.C.8B

Which equation describes the story below?
You have $5 and triple your money every day. 

• y=5(3)^x
• y=5^x
• y=5(3x)
• y=15^x

Tags

CCSS.HSF.LE.A.2

The amount of cola in a soda machine decreases by a rate of 5% each hour. The amount of cola in the machine was originally 75 gallons.

Which function models the amount of cola in gallons after h hours?

• f(h) = 75(-5)^h

• f(h) = -5(75)^h

• f(h) = .95(75)^h

• f(h) = 75(.95)^h

Tags

CCSS.HSF.LE.A.2

Write the equation of the exponential function for the given table.

• y = 2(1/3)^x

• y = -2(1/3)^x

• y = 1/3(2)^x

• y = 2(-1/3)^x

Tags

CCSS.HSF.LE.A.2

Given y=3^x determine the y-intercept 

• (0,1)
• (0,3)
• No Y-intercept
• y=1

Tags

CCSS.HSF-IF.C.7E

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

Use the graph to help!

• Domain: All real numbers

  Range: y>0

• Domain: All real numbers

  Range: y>1

• Domain: x > -2

  Range: y>0

• Domain: x > 0

  Range: All real numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which graph is an exponential function?

• red

• blue

• green

• none

Tags

CCSS.HSF-IF.C.7E

Which graph corresponds to the exponential function  $y=4^x$  ?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7E

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

• (.27)^x
• .27
• 13
• 3.51

Tags

CCSS.HSF.LE.B.5