Function Operations and Compositions

Function Operations and Compositions

9th - 12th Grade

15 Qs

quiz-placeholder

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Function Operations and Compositions

Function Operations and Compositions

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

Samantha Bent

Used 64+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 h(x)=x+5h\left(x\right)=x+5  
 g(x)=4x3g\left(x\right)=4x-3  
 Find(h+g)(x)Find(h+g)(x)  

 7x17x-1  

 x3+2x2+x+1x^3+2x^2+x+1  

 5x+55x+5  

 5x+25x+2  

Tags

CCSS.HSF-BF.A.1B

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 g(x)=4x5g\left(x\right)=4x-5  
   Find(gg)(x)Find(g\circ g)(x)  

 x2-x-2  

 16x2516x-25  

 4x+3-4x+3  

 16x25-16x-25  

Tags

CCSS.HSF-BF.A.1C

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 g(x)=4x2g\left(x\right)=4x-2  
 f(x)=x25xf\left(x\right)=x^2-5x  
 Find(g+f)(x)Find(g+f)(x)  

 x2+x2x^2+x-2  

 x2x2x^2-x-2  

 x3x+2-x^3-x+2  

 3x32x1-3x^3-2x-1  

Tags

CCSS.HSF-BF.A.1B

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 f(x)=2x+4f\left(x\right)=2x+4  
 g(x)=2x+5g\left(x\right)=2x+5  
 Find(fg)(x)Find\left(\frac{f}{g}\right)(x)  

 2x+42x+5\frac{2x+4}{2x+5}  

 2x+5x2+3x\frac{-2x+5}{x^2+3x}  

 2x+52x+4\frac{-2x+5}{-2x+4}  

 2x+52x+4\frac{2x+5}{2x+4}  

Tags

CCSS.HSF-BF.A.1B

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 f(x)=x5f\left(x\right)=x-5  
 g(x)=x22xg\left(x\right)=x^2-2x  
 Find(fg)(x)Find\left(f\cdot g\right)(x)  

 3x46x3+9x2-3x^4-6x^3+9x^2  

 x37x2+10xx^3-7x^2+10x  

 x37x210x-x^3-7x^2-10x  

 3x36x-3x^3-6x  

Tags

CCSS.HSF-BF.A.1B

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 g(x)=x3+x2g\left(x\right)=x^3+x^2  
 h(x)=3x+2h\left(x\right)=3x+2  
 Find(gh)(x)Find\left(g-h\right)(x)  

 x3x23x+2x^3-x^2-3x+2  

 x3x2+3x+2-x^3-x^2+3x+2  

 x2+3x+2-x^2+3x+2  

 x3+x23x2x^3+x^2-3x-2  

Tags

CCSS.HSF-BF.A.1B

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 f(n)=4n4f\left(n\right)=4n-4  
 g(n)=n3+n2g\left(n\right)=n^3+n^2  
 Find(fg)(n)Find\left(f-g\right)(n)  

 n3+n24n+4n^3+n^2-4n+4  

 n3n2+4n4-n^3-n^2+4n-4  

 n2n+3n^2-n+3  

 n3+n2+4n+4-n^3+n^2+4n+4  

Tags

CCSS.HSF-BF.A.1B

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