Unit 4A test review: Exponentials and Logs.

Rewrite as an exponential: log₂8 = 3

• 3² = 8

• 2³ = 8

• 2⁸ = 3

• 8³ = 2

Tags

CCSS.HSF.BF.B.5

Rewrite as an exponential:  $\log_7\left(\frac{1}{49}\right)=-2$  

•  $7^{\frac{1}{49}}=-2$  

•  $\left(\frac{1}{49}\right)^{-2}=7$  

•  $7^{-2}=\frac{1}{49}$  

•  $\left(-2\right)^7=\frac{1}{49}$  

Tags

CCSS.HSF.BF.B.5

What is the base for the following log:

y = log (x)

• 1

• 0

• 10

• 2

Tags

CCSS.HSF.BF.B.5

Find x:  $\log_7\left(\frac{1}{7}\right)=x$  

• x = -1

• x = 1

• x = 0

• No Solution

Tags

CCSS.HSF.BF.B.5

Where would the asymptote be for this graph?

• y = 4
• y = -4
• x = 3
• x = -3

Tags

CCSS.HSF-IF.C.7E

What is the asymptote of this function:
 f(x) = 2^x-1 + 3

• x = 1
• x = -1
• y = 3
• y = - 3

Tags

CCSS.HSF-IF.C.7E

Where is the asymptote?

• x = 1
• y = 1
• x = -1
• y = -1

Tags

CCSS.HSF-IF.C.7E

What is the domain?

• (-∞, ∞)
• (0, ∞)
• [1, ∞)
• (1, ∞)

Tags

CCSS.HSF-IF.C.7E

What is the range?

• (-∞, ∞)
• (0, ∞)
• [1, ∞)
• (1, ∞)

Tags

CCSS.HSF-IF.C.7E

As x --> 1, f(x) --> ____

• 0
• ∞
• -∞
• 1

Tags

CCSS.HSF-IF.C.7E