Unit 6 Test

What is the transformation of f(x)=2(1/2)^x-7

• stretch by 2

  down 7

• shrink by 1/2

  down 7

• stretch by 2

  up 7

• shrink by 1/2

  up 7

Tags

CCSS.HSF.BF.B.3

Expand.

• log x + 5 log y
• 5 log x + 5 log y
• 5 log x - log y
• log x - 5 log y

Solve for x:
log₄ x = 3

• 4
• 12
• 32
• 64

Tags

CCSS.HSF.BF.B.5

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

You buy a car for $4800. The car depreciation rate is 14.7% annually. Which equation models how much the car would be worth after t years?

Tags

CCSS.HSF.LE.A.2

Expand the log

• 
• 
• 
• 

What is the equation of the horizontal asymptote for following exponential function?

• y = -4

• y > -4

• y < -4

• (0, -3)

Tags

CCSS.HSF-IF.C.7E

Rewrite in exponential form:

log₉x=2

• 9^x=2

• 2^x=9

• 2⁹=x

• 9²=x

Tags

CCSS.HSF.BF.B.5

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766
• 9006
• 9765
• 5433

Tags

CCSS.HSF.BF.A.2

Write 5^x =10 in log form

• x = log 5

• x = log₅10

• x = 5 log10

• x = 10 log 5

Tags

CCSS.HSF.BF.B.5