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Function Operations and Compositions

Authored by Allison Szoke

Mathematics

9th - 10th Grade

CCSS covered

Used 217+ times

Function Operations and Compositions
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find f(-3) if

f(x) = x2 + 2x - 1

2

-2

18

-18

Tags

CCSS.HSF.IF.A.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 If f(x)=x2+3x+2  and  g(x)=3x+1If\ f\left(x\right)=x^2+3x+2\ \ and\ \ g\left(x\right)=-3x+1  
Find  (fg)(1)\left(f\cdot g\right)\left(1\right)  

-2

2

-12

12

Tags

CCSS.HSF-BF.A.1B

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 If f(x)=x2+3x+2  and  g(x)=3x+1If\ f\left(x\right)=x^2+3x+2\ \ and\ \ g\left(x\right)=-3x+1  
Find   (f+g)(2)\left(f+g\right)\left(-2\right)  

-3

3

-7

7

Tags

CCSS.HSF-BF.A.1B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 If f(x)=x2+3x+2  and  g(x)=3x+1If\ f\left(x\right)=x^2+3x+2\ \ and\ \ g\left(x\right)=-3x+1  
Find   (gf)(3)\left(g-f\right)\left(-3\right)  

-3

0

4

8

Tags

CCSS.HSF-BF.A.1B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 If f(x)=x2+3x+2  and  g(x)=3x+1If\ f\left(x\right)=x^2+3x+2\ \ and\ \ g\left(x\right)=-3x+1  
 Find (fg)(0)Find\ \left(\frac{f}{g}\right)\left(0\right)  

-2

-1

0

2

Tags

CCSS.HSF-BF.A.1B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 If f(x)=3x22x+1 If\ f\left(x\right)=3x^2-2x+1\   

 Find f(4)+f(2)Find\ f\left(4\right)+f\left(-2\right)   

-52

-7

58

63

Tags

CCSS.HSF.IF.A.2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 If f(x)=2x+1  and  g(x)=3x+2If\ f\left(x\right)=2x+1\ \ and\ \ g\left(x\right)=3x+2  

 Find (fg)(x)Find\ \left(f\circ g\right)\left(x\right)  

f(g(x)) = 6x + 4

f(g(x)) = 6x + 5

f(g(x)) = 5x + 8

f(g(x)) = 5x + 5

Tags

CCSS.HSF-BF.A.1C

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