Inverse Functions Domain and Range

Find the inverse of the function
f(x) = 3x − 5

• f^-1(x)=3x +5

• f^-1(x)=(x+5)/3

• f^-1(x)=3y-5

• f^-1(x)=3y+5

Tags

CCSS.HSF-BF.B.4A

Are these inverse functions?

• no

• yes

• no way to tell

Tags

CCSS.HSF-BF.B.4B

Are the blue and red graphs inverse functions?

• yes

• no

• no way to tell

Tags

CCSS.HSF-BF.B.4B

If f and g are inverse functions, and
f(2) = -1     g(1) = -2     f(1) = -2, 
then which of the following MUST be true?

• g(-2) = 0

• g(1) = 1

• g(-2) = -3

• g(-1) = 2

Tags

CCSS.HSF-BF.B.4C

If the domain of f(x) is x ≥ 4, then the ____ of ____ is  y ≥ 4

• domain, f^-1(x)

• range, f(x)

• range, f^-1(x)

• domain, f(x)

What's the name of the inverse of g(x)?

• f(x)

• f^-1(x)

• y

• g^-1(x)

Tags

CCSS.HSF-BF.B.4A

Is the inverse function found correctly?

• yes

• no

Tags

CCSS.HSF-BF.B.4A

Find the inverse of
f(x) = 1/4x - 7

• f^-1(x) = 4x + 7

• f^-1(x) = -4x + 28

• f^-1(x) = -4x - 7

• f^-1(x) = 4x + 28

Tags

CCSS.HSF-BF.B.4A

Are the following inverses of each other?

• True

• False

Tags

CCSS.HSF-BF.B.4B

Was the inverse function found correctly?

• no

• yes

Tags

CCSS.HSF-BF.B.4A