3.5 A1 Operations of FUnctions

3.5 A1 Operations of FUnctions

9th Grade

5 Qs

quiz-placeholder

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3.5 A1 Operations of FUnctions

3.5 A1 Operations of FUnctions

Assessment

Quiz

Mathematics

9th Grade

Hard

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

Standards-aligned

Created by

Eloise Gonzalez

Used 2+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

f(x) = 9-3x
g(x) = 5x-7
Find f(x)+g(x). 
14x-10
-8x+2
2x+2
2x-2

Tags

CCSS.HSF-BF.A.1B

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

f(x) = x2+9
g(x) = x-9
Find f(x)-g(x). 
x2+x+9
x2-x+9
x2-x
x2-x+18

Tags

CCSS.HSF-BF.A.1B

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Given
f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).
11x2 - 1
5x4 + 6x2 - 1
5x2 + 6x - 1
5x2 + 8x - 1

Tags

CCSS.HSF-BF.A.1C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

30 sec • 1 pt

If  f(x) = 3x24f\left(x\right)\ =\ 3x^2-4 and g(x)=x28x+4g\left(x\right)=x^2-8x+4 , then  (f+g)(x)=\left(f+g\right)\left(x\right)= 

 4x48x84x^4-8x-8  

 4x48x4x^4-8x  

 4x28x84x^2-8x-8  

 4x28x4x^2-8x  

Tags

CCSS.HSF-BF.A.1B