1.3 Inverse Functions Practice

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

What is the inverse of the points (1,3)(2,4)(6,8)?

• (3,1)(4,2)(8,6)

• (-3,-1)(-4,-2)(-8,-6)

• (1,3)(2,4)(6,8)

• (-1,-3)(-2,-4)(-6,-8)

Tags

CCSS.HSF-BF.B.4C

When two functions are inverses of each other, their graphs are reflective over...

• y=x

• x-axis

• y-axis

Tags

CCSS.HSF-BF.B.4C

Find the inverse of f(x) = -4x - 12

• f-1(x) = 4x - 3

• f-1(x) = -1/4x - 3

• f-1(x) = 1/4x + 3

• f-1(x) = -4x - 3

Tags

CCSS.HSF-BF.B.4A

Find (f - g)(3) when f(x) = -3x²-2 and g(x) = 2x + 1

• -29

• -36

• -22

• 7

Tags

CCSS.HSF-BF.A.1B

If the equation of f(x) goes through (1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)

• (-4, -1) and (-6, -4)

• (-1, -4) and (-4, -6)

• (4, 1) and (6, 4)

Tags

CCSS.HSF-BF.B.4C

The relation in the graph is..

• a function but not a one-to-one function.

• a one-to-one function.

• not a function

To graph the inverse of a function...

• Rotate it around the origin

• Reflect it across the x-axis

• Reflect it across the y-axis

• Switch the x and y coordinates and plot the new points

Tags

CCSS.HSF-BF.B.4C

Is this function one to one?

• No, because the function does not pass the vertical and horizontal line test.

• Yes, because the function does not pass the vertical and horizontal line test.

• There is no way to tell.

Are these inverse functions?

• no

• yes

• no way to tell

Tags

CCSS.HSF-BF.B.4B