Alg. 2 Exp. & Logs 8.1 - 8.5 Practice

What type of function is y = 7(5/4)^x?

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

Tags

CCSS.HSF-IF.C.8B

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth
• Exponential Decay
• Linear
• None

Tags

CCSS.HSF-IF.C.7E

What is the range of the graph?

• (-∞,∞)
• (-1, ∞)
• (-3.5,∞)
• (-∞,6)

The amount of ants in a colony, f, that is decaying can be modeled by                      f(x) = 800(.87)^x, where x is the number of days since the decay started. By what percentage is the colony decaying?

• 87%
• 13%
• 800%
• 8.7%

Tags

CCSS.HSF-IF.C.8B

Rewrite in exponential form.

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.5

Rewrite 3⁴ = 81 in logarithmic form.

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

Tags

CCSS.HSF.BF.B.5

Evaluate the following logarithm:

log₃27

• 3

• 2

• -3

• ¹/₃

Tags

CCSS.HSF.BF.B.5

What transformation does the function below have?

y = log(x+3)

• left 3

• right 3

• up 3

• down 3

The natural log function, ln(x), has a base of __.

• 2

• e

• 10

• π

The common log function, log(x), has a base of __.

• 10

• e

• 5

• 100