Inverse functions

Inverse functions

11th - 12th Grade

15 Qs

quiz-placeholder

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Inverse functions

Inverse functions

Assessment

Quiz

Mathematics

11th - 12th Grade

Practice Problem

Medium

CCSS
HSF-BF.B.4A, HSF-BF.B.4B, HSF-BF.B.4C

+3

Standards-aligned

Created by

NEDESTA SCOTT-NWABUEZE

Used 117+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the inverse 
f(x)=2x-2
     

f-1(x)=1/2x+1
f-1(x)=-2-1/2x
f-1(x)=-7/3x-20/3
2-2/5x

Tags

CCSS.HSF-BF.B.4A

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

The inverse has been reflected over which line?

y = x
y =1
y = 0
y = x + 1

Tags

CCSS.HSF-BF.B.4B

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

When finding the inverse of a relation, 
1st you replace f(x) with y
2nd switch the x's and y's
What do you do next?

solve for y
replace y with f-1(x)
solve for x
find the greatest common factor

Tags

CCSS.HSF-BF.B.4A

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Given that f(x) = 3x + 5 and g(x) = 1/3x + 5, find f(g(x)).  Are the two functions inverses of each other?

x + 20 ; Yes they are inverses
x + 20 ; No, they are not inverses
x ; Yes they are inverses
x ; No, they are not inverses

Tags

CCSS.HSF-BF.B.4B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT TRUE about inverse functions?

Inverse functions are reflections of each other over the line y = x.

You find the inverse by switching x and y in the equation.

The domain of a function always becomes the domain of its inverse.

The domain of a function always becomes the range of its inverse.

Tags

CCSS.HSF-BF.B.4C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What's the best description?

They are both functions, but not inverse functions.

They are reflected over y=x, but they are not both functions.

They are not reflected over y=x, and they are not both functions.

They are inverse functions.

Tags

TEKS.MATH.2A.2D

TEKS.MATH.AR.3C

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