QUIZ REVIEW

Domain of y = log x ?

• (-∞, ∞)
• (0, ∞)
• [0, ∞)
• [-∞, ∞]

Logarithms and Exponentials are what?

• parallel
• perpendiular 
• inverses
• congurent

What kind of asymptotes do logs have?

• horizontal ( y=0)
• vertical (x=0)

Write the equation of the function f(x)=log₃x after the following transformations:

Translate 6 units left and 4 units up.

• g(x)=log₃(x+6)+4

• g(x)=log₃(x+4)-6

• g(x)=log₃(x-6)+4

• g(x)=3log(x+6)+4

Rewrite 1.6^(x+2) = 14.1

• log_1.614.1 = x+2

• log_1.6(x+2) = 14.1

• log_14.1(x+2) = 1.6

• log_(x+2)1.6 = 14.1

Rule: The Horizontal Asymptote is always y=k

What is the Horizontal Asymptote?

• y=k

• y=h

• x=k

• x=h

Rule: A HORIZONTAL ASYMPTOTE is an invisible line that the function cannot touch or intersection

What is a HORIZONTAL ASYMPTOTE?

• is an invisible line that the function CANNOT touch or intersection

• an invisible line that the function CAN touch or intersection

There is a VERTICAL STRETCH of

• 3

• 2

• 1

• 4

There is a VERTICAL Shift

• Down 1

• Up 1

• Down 4

• Up 4