Exponential Functions - Review

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

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

Tags

CCSS.HSF.LE.B.5

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

What is the domain of the function shown below?

• -2 < x < 5
• 0 < x < 12
• y > 0
• All Real Numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which represents exponential decay?

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7E

In the equation $f\left(x\right)=13\left(1.15\right)^x$  the b-value demonstrates a(n)...

• increase of 15% in value

• increase of 13% in value

• decrease of 15% in value

• decrease of 13% in value

Tags

CCSS.HSF-IF.C.8B

Suppose a culture of bacteria begins with 5000 cells and decreases by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x

• y=30(5000)^x

• y=5000(1.3)^x

• y=5000x^x

Tags

CCSS.HSF.LE.A.2