Math 3 Unit 2 Test Review

Gasoline costs $1.99 per gallon. If the price per gallon increases an average of 6% per month, which function models the exponential growth of the pricing?

• 1.06(1.99)^t

• 1.99(1.06)^t

• [1.06(1.99)]^t

• 1.99(.94)^t

Tags

CCSS.HSF.LE.A.2

You put $2000 in the bank and earn interest at a 2.5% rate compounded monthly. How much will you have after 15 years?

• $30,758.65

• $2,001.56

• $2,908.85

• $2,896.60

Tags

CCSS.HSF-LE.A.1C

Use the change of base formula and your calculator to approximate the log.

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Use the change of base formula and your calculator to approximate the log.

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Rewrite in exponential form.

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.5

Rewrite the equation in logarithmic form.

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.5

Expand the logarithm.

• A
• B
• C
• D

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.BF.B.5

CCSS.HSF.IF.C.8

Find the inverse of the function f(x)=4^(x+1)-1

• f^-1(x)=log₄(x+1)-1
• f^-1(x)=log₄(x-1)+1
• f^-1(x)=log₄(y+1)-1
• f^-1(x)=log₄(x)

Tags

CCSS.HSF-BF.B.4A

25^x = 5^4x

• 2

• 1/2

• 4

• 1/3

Tags

CCSS.8.EE.C.7B

4^x+1 = 64

• 1

• 2

• 3

• 4