Writing and interpreting functions

Writing and interpreting functions

9th - 12th Grade

20 Qs

quiz-placeholder

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Writing and interpreting functions

Writing and interpreting functions

Assessment

Quiz

Mathematics

9th - 12th Grade

Easy

CCSS
HSF-BF.A.1B

Standards-aligned

Created by

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A

B

C

D

Tags

CCSS.HSF-BF.A.1B

2.

MULTIPLE CHOICE QUESTION

1 min • 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(\frac{f}{g}\right)\left(x\right)= 

 3x24x28x+4\frac{3x^2-4}{x^2-8x+4}  

 x28x+43x24\frac{x^2-8x+4}{3x^2-4}  

 3x21x28x\frac{3x^2-1}{x^2-8x}  

 14x\frac{1}{-4x}  

Tags

CCSS.HSF-BF.A.1B

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Tags

CCSS.HSF-BF.A.1B

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

3x-3

x-3

3x+11

Tags

CCSS.HSF-BF.A.1B

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Find (fg)(x) and its domain. f(x)=2+1x and g(x)=1xf\left(x\right)=2+\frac{1}{x}\ and\ g\left(x\right)=\frac{1}{x}  

 2x+1x2; D:(,0)(0,)\frac{2x+1}{x^2};\ D:\left(-\infty,0\right)\cup\left(0,\infty\right)  

 x22x+1; D:(,0)(0,)\frac{x^2}{2x+1};\ D:\left(-\infty,0\right)\cup\left(0,\infty\right)  

 2x+1x2; D:(,)\frac{2x+1}{x^2};\ D:\left(-\infty,\infty\right)  

 x22x+1; D:(,)\frac{x^2}{2x+1};\ D:\left(-\infty,\infty\right)  

Tags

CCSS.HSF-BF.A.1B

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is (fg)(x)?

(2x-4)/x
1/(2x-4)
(2/x)-4
DNE

Tags

CCSS.HSF-BF.A.1B

7.

FILL IN THE BLANK QUESTION

30 sec • 1 pt


 f(x)=g(x)3f\left(x\right)=g\left(x\right)-3 
  g(x)=2x+4g\left(x\right)=2x+4   
Write the explicit form of  f(x)f\left(x\right)  .  (Do NOT type any spaces.)

Tags

CCSS.HSF-BF.A.1B

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