Inverses of Log and Exponential Functions

Inverses of Log and Exponential Functions

10th - 12th Grade

4 Qs

quiz-placeholder

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Inverses of Log and Exponential Functions

Inverses of Log and Exponential Functions

Assessment

Quiz

10th - 12th Grade

Hard

Created by

Megan Darnell

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4 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the inverse of the following function

 f(x)=log2(2x)f\left(x\right)=\log_2\left(2x\right)  

 f1(x)=2x2f^{-1}\left(x\right)=\frac{2^x}{2}  

 f1(x)=13x6f^{-1}\left(x\right)=\frac{1}{3^{-\frac{x}{6}}}  

 f1(x)=10x4f^{-1}\left(x\right)=\frac{10^x}{4}  

 f1(x)=2x6f^{-1}\left(x\right)=2^x-6  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the inverse of the function

 f(x)=log3(x7)f\left(x\right)=\log_3\left(x-7\right)  

 f1(x)=6x3f^{-1}\left(x\right)=6^{\frac{x}{3}}  

 f1(x)=10x2f^{-1}\left(x\right)=10^{\frac{x}{2}}  

 f1(x)=log4(15x)f^{-1}\left(x\right)=\log_4\left(\frac{1}{5^x}\right)  

 f1(x)=3x+7f^{-1}\left(x\right)=3^{x+7}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the inverse of the function

 f(x)=ex+3f\left(x\right)=e^x+3  

 f1(x)=ln(x1)f^{-1}\left(x\right)=\ln\left(x-1\right)  

 f1(x)=log6(x8)f^{-1}\left(x\right)=\log_6\left(x-8\right)  

 f1(x)=log5(x3)f^{-1}\left(x\right)=\log_5\left(x-3\right)  

 f1(x)=ln(x3)f^{-1}\left(x\right)=\ln\left(x-3\right)  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the inverse of the function

 f(x)=3x+5f\left(x\right)=3^x+5  

 f1(x)=log3(x5)f^{-1}\left(x\right)=\log_3\left(x-5\right)  

 f1(x)=log2(x1)f^{-1}\left(x\right)=\log_2\left(x-1\right)  

 f1(x)=log6(x9)f^{-1}\left(x\right)=\log_6\left(x-9\right)  

 f1(x)=log4(x4)f^{-1}\left(x\right)=\log_4\left(x^4\right)