Homework 5.1

What is the equation that best represents the graph?

• y=2^y
• y=2^x
• y=2^-x
• y=x²

Tags

CCSS.HSF.LE.A.2

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

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

Given the function  $y=3\left(2\right)^x$  , fill in the blank in the table  when  $x=5$  .

• 96

• 7776

• 30

•  $-30$  

Tags

CCSS.HSF-IF.C.8B

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

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

Give the rate of decay:
y = 35(0.65)^x

• 35%
• 65%
• .35%
• 165%

Tags

CCSS.HSF-IF.C.8B

Describe the function:
y = 1000(1 - 0.87)^x

• growth by 87%
• decay by 87%
• growth by 13%
• decay by 13%

Tags

CCSS.HSF-IF.C.8B

In an exponential function, what does the 'a' represent? 

• SLOPE
• RATE OF CHANGE
• Y-INTERCEPT
• COMMON RATIO

Tags

CCSS.HSF.LE.B.5