Log/Exp Review

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

Tags

CCSS.HSF.BF.B.5

Change to Exponential Form:
log₆36 = 2

• 2⁶=36
• 6²=36
• 36²=6
• 36⁶=2

Evaluate.
Log₂64

• A
• B
• C
• D

The common logarithm has what base?

• 10
• 0
• e
• -e

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Given y=3^x determine the y-intercept 

• (0,1)
• (0,3)

Classify the given graph.

• exponential growth
• exponential decay
• positive linear
• negative linear

A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

• f(x)=400(1+3)^x
• f(x)=400(1-0.03)^x
• f(x)=400(1+0.03)^x
• f(x)=400(0.03)^x

Your 2 year investment of $5,300 earns 2.9% and is compounded annually.  What will your total return be?

• $5,304.46
• $5,611.86
• $5,613.28
• $8,819.73

log₅25 = ?

• 2
• 5
• 125