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Inverse Functions

Authored by J Pearce

Mathematics

8th - 12th Grade

12 Questions

CCSS covered

Used 958+ times

Inverse Functions
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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 f(x)=3xf\left(x\right)=3x  
Find  f1(x)f^{-1}\left(x\right)  

 x3\frac{x}{3}  

 3x\frac{3}{x}  

 0.3x0.3x  

 x×3x\times3  

Tags

CCSS.HSF-BF.B.4A

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 f(x)=7xf\left(x\right)=7x  
Find  f1(x)f^{-1}\left(x\right)  

 x7\frac{x}{7}  

 7x\frac{7}{x}  

 0.7x0.7x  

 x÷17x\div\frac{1}{7}  

Tags

CCSS.HSF-BF.B.4A

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 g(x)=x8g\left(x\right)=\frac{x}{8}  
Find  g1(x)g^{-1}\left(x\right)  

 8x\frac{8}{x}  

 8x8x  

 18x\frac{1}{8}x  

 x÷8x\div8  

Tags

CCSS.HSF-BF.B.4A

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 g(x)=13xg\left(x\right)=\frac{1}{3}x  
Find  g1(x)g^{-1}\left(x\right)  

 3x\frac{3}{x}  

 3x3x  

 x3\frac{x}{3}  

 x÷3x\div3  

Tags

CCSS.HSF-BF.B.4A

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Select the two functions which are inverses of each other:

x+10x+10

x10x-10

x10\frac{x}{10}

10x\frac{10}{x}

Tags

CCSS.HSF-BF.B.4B

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Select the two functions which are inverses of each other:

x4x-4

4x4x

x4\frac{x}{4}

4x\frac{4}{x}

Tags

CCSS.HSF-BF.B.4B

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 f(x)=5x+1f\left(x\right)=5x+1  
Find  f1(x)f^{-1}\left(x\right)  

 x51\frac{x-5}{1}  

 x51\frac{x}{5}-1  

 x15x-\frac{1}{5}  

 x15\frac{x-1}{5}  

Tags

CCSS.HSF-BF.B.4A

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