Operations on Functions (CW)

Operations on Functions (CW)

10th - 11th Grade

10 Qs

quiz-placeholder

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Operations on Functions (CW)

Operations on Functions (CW)

Assessment

Quiz

Mathematics

10th - 11th Grade

Hard

CCSS
HSA.APR.A.1, HSF-BF.A.1B

Standards-aligned

Created by

Elizabeth Borres

Used 22+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If  f(x) = 2x1f\left(x\right)\ =\ 2x-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  

 7x37x-3  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If  f(x) =6 x1f\left(x\right)\ =6\ x-1 and g(x)=5x2g\left(x\right)=5x-2 , then  (fg)(x)=\left(f-g\right)\left(x\right)= 

-4x - 3

x +1

6x + 1

6x - 3

3.

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(f\cdot g\right)\left(x\right)= 

 5x35x-3  

 5x2+25x^2+2  

 5x27x+25x^2-7x+2  

 5x75x-7  

Tags

CCSS.HSA.APR.A.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If  f(x) = 3x2 + 5x4f\left(x\right)\ =\ 3x^2\ +\ 5x-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  

 4x23x4x^2-3x  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If  f(x) = 3x24f\left(x\right)\ =\ 3x^2-4 and g(x)=x28x4g\left(x\right)=x^2-8x-4 , then  (fg)(x)=\left(f-g\right)\left(x\right)= 

 2x28x82x^2-8x-8  

 2x2+8x2x^2+8x  

 2x28x2x^2-8x  

 2x2+8x-2x^2+8x  

6.

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  (fg)(x)=\left(f\cdot g\right)\left(x\right)= 

 3x424x3+8x2+32x163x^4-24x^3+8x^2+32x-16  

 3x48x163x^4-8x-16  

 3x424x3+8x232x163x^4-24x^3+8x^2-32x-16  

 3x424x3+16x2+32x163x^4-24x^3+16x^2+32x-16  

Tags

CCSS.HSA.APR.A.1

7.

MULTIPLE CHOICE QUESTION

2 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.HSA.APR.A.1

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