Exponential Function Review

Does the equation represent growth or decay?

 $y=4\left(\frac{1}{2}\right)^x$  

• Growth since the y-int is greater than 1.

• Growth since the ratio is greater than 1.

• Decay since the y-int is less than 1.

• Decay since the ratio is less than 1.

Tags

CCSS.HSF-IF.C.8B

What is the y-intercept of 

 $y=\frac{3}{4}\left(4\right)^x$  ?

•  $4$  
  

•  $0$  
  

•  $\frac{3}{4}$  
  

•  $3$  
  

Tags

CCSS.HSF-IF.C.7E

What is the constant ratio of the table?

• $3$

• $\frac{1}{3}$

• $6$

• $1$

Tags

CCSS.HSF-LE.A.1A

What is the asymptote of the function shown?

• $y=0$

• $y=1$

• $x=0$

• $y=-1$

Tags

CCSS.HSF-IF.C.7D

A zombie outbreak is doubling daily. If there are 25 zombies, how many will there be in 7 days?

• $28$

• $175$

• $54,675$

• $3,200$

What is the exponential equation for the table?

• $y=6\left(\frac{1}{2}\right)^x$

• $y=6\left(2\right)^x$

• $y=\frac{1}{2}\left(6\right)^x$

• $y=2\left(6\right)^x$

Tags

CCSS.HSF.LE.A.2

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

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

Tags

CCSS.HSF.LE.B.5

When do we have growth?
f(x) = (a)(b^x)

• a < 1
• b > 1
• 0 < b < 1
• a > 1

Tags

CCSS.HSF-IF.C.8B

When do we have decay?
f(x) = (a)(b^x)

• a < 1
• b > 1
• 0 < b < 1
• a > 1

Tags

CCSS.HSF-IF.C.8B

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B