Add and Subtract Functions

Add and Subtract Functions

9th - 11th Grade

6 Qs

quiz-placeholder

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Add and Subtract Functions

Add and Subtract Functions

Assessment

Quiz

Mathematics

9th - 11th Grade

Medium

CCSS
HSF-BF.A.1B

Standards-aligned

Created by

Abby Forsythe

Used 5+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 f(x) = x2  2    and    g(x) = 3x + 5f\left(x\right)\ =\ x^2\ -\ 2\ \ \ \ and\ \ \ \ g\left(x\right)\ =\ 3x\ +\ 5  
Find:  f(x)+ g(x)f\left(x\right)+\ g\left(x\right)  

 x2+3x +7x^2+3x\ +7  

 x2 +3x+3x^2\ +3x+3  

 x2+3x  3x^2+3x\ -\ 3  

 x2+3x 7x^2+3x\ -7  

Tags

CCSS.HSF-BF.A.1B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 f(x) = x+7    and     g(x) = 2x 9f\left(x\right)\ =\ x+7\ \ \ \ and\ \ \ \ \ g\left(x\right)\ =\ -2x\ -9  
Find:  g(x)f(x)g\left(x\right)-f\left(x\right)  

 3x16-3x-16  

 3x+163x+16  

 3x2-3x-2  

 3x23x-2  

Tags

CCSS.HSF-BF.A.1B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 f(x) = x25x+8      and     g(x)= x24f\left(x\right)\ =\ x^2-5x+8\ \ \ \ \ \ and\ \ \ \ \ g\left(x\right)=\ x^2-4  
Find:  g(x)f(x)g\left(x\right)-f\left(x\right)  

 5x+125x+12  

  5x12 \ -5x-12\   

 5x+4  -5x+4\ \   

  5x12  \ 5x-12\ \   

Tags

CCSS.HSF-BF.A.1B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Perform the indicated operation.

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.HSF-BF.A.1B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the functions

 f(x)=3x9f\left(x\right)=3x-9  and  g(x)=x11g\left(x\right)=x-11  
find  f(x)+g(x)f\left(x\right)+g\left(x\right)  

 4x204x-20  

 3x242x+993x^2-42x+99  

 2x+22x+2  

 2x2-2x-2  

Answer explanation

Media Image

Tags

CCSS.HSF-BF.A.1B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the functions

 f(x)=3x9f\left(x\right)=3x-9  and  g(x)=x11g\left(x\right)=x-11  
find  f(x)g(x)f\left(x\right)-g\left(x\right)  

 4x204x-20  

 3x242x+993x^2-42x+99  

 2x+22x+2  

 2x2-2x-2  

Answer explanation

Media Image

Tags

CCSS.HSF-BF.A.1B