Operations with Functions and Composition of Functions

Operations with Functions and Composition of Functions

11th - 12th Grade

14 Qs

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Operations with Functions and Composition of Functions

Operations with Functions and Composition of Functions

Assessment

Quiz

Mathematics

11th - 12th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

Courtney Bettis

Used 93+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When f(x) = 9-3x and 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

5 mins • 1 pt

When f(x) = x2+9 and 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

5 mins • 1 pt

When f(x)=xx+1f\left(x\right)=\frac{x}{x+1}  and g(x)=x21g\left(x\right)=x^2-1  . 

Find f(x) - g(x).

 x2xx^2-x  

 x3x2+2x+1x+1\frac{-x^3-x^2+2x+1}{x+1}  

 x3+x21x+1\frac{x^3+x^2-1}{x+1}  

 xx3+x2x1\frac{x}{x^3+x^2-x-1}  

Tags

CCSS.HSF-BF.A.1B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When f(x) = 2x and g(x) = x2+3

Find f(g(x)).

x2+2x+3

4x2+3

2x2+3

2x2+6

Tags

CCSS.HSF-BF.A.1C

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When f(x) = 4x+8 and g(x) = x+3
Find f(x)g(x)f\left(x\right)\cdot g\left(x\right)  

4x2+24

4x2+20x+24

4x2+12x+24

4x2+4x+24

Tags

CCSS.HSF-BF.A.1B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When f(x)=3x2+4x5f\left(x\right)=3x^2+4x-5 and  g(x)=2x+9g\left(x\right)=2x+9 . Find f(x) / g(x)

 3x24x52x+9\frac{3x^2-4x-5}{2x+9}  

 3x2+4x52x+9\frac{3x^2+4x-5}{2x+9}  

 2x+93x2+4x9\frac{2x+9}{3x^2+4x-9}  

 2x+93x2+4x+9\frac{2x+9}{3x^2+4x+9}  

Tags

CCSS.HSF-BF.A.1B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When g(x)=3x+4 and h(x)=3x-1

Find g(h(x))

-9x+11

4x2+4x

9x+1

9x+11

Tags

CCSS.HSF-BF.A.1C

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