inverse functions 3rd

inverse functions 3rd

11th - 12th Grade

5 Qs

quiz-placeholder

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inverse functions 3rd

inverse functions 3rd

Assessment

Quiz

Mathematics

11th - 12th Grade

Medium

Created by

Davida Goode

Used 2+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=x47f\left(x\right)=\frac{x-4}{7}  find  f1(x)f^{-1}\left(x\right)  

 f1(x)=7x+4f^{-1}\left(x\right)=7x+4  

 f1(x)=7x4f^{-1}\left(x\right)=7x-4  

 f1(x)=x74f^{-1}\left(x\right)=\frac{x-7}{4}  

 f1(x)=4x+7f^{-1}\left(x\right)=4x+7  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=7x+10f\left(x\right)=7x+10  find  f1(x)f^{-1}\left(x\right)  

 f1(x)=x+107f^{-1}\left(x\right)=\frac{x+10}{7}  

 f1(x)=x107f^{-1}\left(x\right)=\frac{x-10}{7}  

 f1(x)=10x7f^{-1}\left(x\right)=10x-7  

 f1(x)=x710f^{-1}\left(x\right)=\frac{x-7}{10}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=(2x)2+5f\left(x\right)=\left(2x\right)^2+5  find  f1(x)f^{-1}\left(x\right)  

 f1(x)=x25f^{-1}\left(x\right)=\frac{\sqrt{x}}{2}-5  

 f1(x)=x2+5f^{-1}\left(x\right)=\frac{\sqrt{x}}{2}+5  

 f1(x)=x52f^{-1}\left(x\right)=\sqrt{\frac{x-5}{2}}  

 f1(x)=x52f^{-1}\left(x\right)=\frac{\sqrt{x-5}}{2}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=3x2f\left(x\right)=3x^2  find  f1(x)f^{-1}\left(x\right)  

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

 f1(x)=x3f^{-1}\left(x\right)=\frac{\sqrt{x}}{3}  

 f1(x)=x3f^{-1}\left(x\right)=\sqrt{\frac{x}{3}}  

 f1(x)=x3f^{-1}\left(x\right)=\frac{x}{\sqrt{3}}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=2x7f\left(x\right)=2\sqrt{x-7}  

 f(x)=(x2)2+7f\left(x\right)=\left(\frac{x}{2}\right)^2+7  

 f(x)=x22+7f\left(x\right)=\frac{x^2}{2}+7  

 f(x)=(x2)27f\left(x\right)=\left(\frac{x}{2}\right)^2-7  

 f(x)=2x2+7f\left(x\right)=2x^2+7