6-2B ALG Verifying Inverses

6-2B ALG Verifying Inverses

9th - 12th Grade

25 Qs

quiz-placeholder

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6-2B ALG Verifying Inverses

6-2B ALG Verifying Inverses

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSF-BF.B.4B, HSF-BF.A.1C, HSF-BF.B.4A

+2

Standards-aligned

Created by

Jennifer Hedges

Used 61+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Q1:  If  f(x) = x1f\left(x\right)\ =\ x-1 and g(x)=5x2g\left(x\right)=5x-2 , then  (f+g)(x)=\left(f+g\right)\left(x\right)= 

 5x2+15x^2+1  

 5x235x^2-3  

 6x+16x+1  

 6x36x-3  

Tags

CCSS.HSF-BF.A.1B

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Q2:  If  f(x) = x1f\left(x\right)\ =\ x-1 and g(x)=5x2g\left(x\right)=5x-2 , then  (fg)(x)=\left(f-g\right)\left(x\right)= 

-4x - 3

-4x +1

6x + 1

6x - 3

Tags

CCSS.HSF-BF.A.1B

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Q3:  If  f(x) = x1f\left(x\right)\ =\ x-1 and g(x)=5x2g\left(x\right)=5x-2 , then  (fg)(x)=\left(f\cdot g\right)\left(x\right)= 

 5x35x-3  

 5x2+25x^2+2  

 5x27x+25x^2-7x+2  

 5x75x-7  

Tags

CCSS.HSF-BF.A.1B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Q4:  If  f(x) = x1f\left(x\right)\ =\ x-1 and g(x)=5x2g\left(x\right)=5x-2 , then  (fg)(x)\left(\frac{f}{g}\right)\left(x\right) 

 x15x2\frac{x-1}{5x-2}  

 5x2x1\frac{5x-2}{x-1}  

 13\frac{-1}{3}  

 3-3  

Tags

CCSS.HSF-BF.A.1B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Q5:   f(x)=3x+10f(x)=3x+10  

 g(x)=13x3g\left(x\right)=\frac{1}{3}x-3  
Find  g(f(x))g(f(x))  

 f(g(x))=1f(g(x))=1  

 f(g(x))=xf(g(x))=x  

 f(g(x))=0f(g(x))=0  

None of these.

Tags

CCSS.HSF-BF.A.1C

6.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Q6:  

 f(x) = 13x + 4 f\left(x\right)\ =\ -\frac{1}{3}x\ +\ 4\   and  g(x) 3x +12g\left(x\right)\ -3x\ +12  

what is  f g (6)f\circ\ g\ \left(6\right)  


Tags

CCSS.HSF-BF.A.1C

7.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Q7:  

 f(x) = 2x  5 f\left(x\right)\ =\ 2x\ -\ 5\   and  g(x) = 12x + 52g\left(x\right)\ =\ \frac{1}{2}x\ +\ \frac{5}{2}  

find  fg(2)f\circ g\left(2\right)  

Tags

CCSS.HSF-BF.A.1C

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