Operations with functions

Operations with functions

10th - 12th Grade

8 Qs

quiz-placeholder

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Operations with functions

Operations with functions

Assessment

Quiz

Mathematics

10th - 12th Grade

Hard

CCSS
HSF-BF.A.1B, HSN.VM.C.8

Standards-aligned

Created by

Louis Pires

Used 2+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

f(n)=x2+1
g(n)=2x-5
Find f(n)-g(n)

x2-2x+6
-x2+2x+4
-x2-2x-6
x2-2x-4

Tags

CCSS.HSF-BF.A.1B

2.

MULTIPLE CHOICE QUESTION

5 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.1B

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

f(x) = 4x + 1 and g(x) = 4x - 3
Find f(x) * g(x)

16x2 + 8x - 3
16x2 - 8x + 3
16x2 - 8x - 3
16x2 - 16x - 3

Tags

CCSS.HSF-BF.A.1B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

f(x) = 4x+8
g(x) = x+3,
Find f(x) * g(x)

4x2+24
4x2+20x+24
4x2+12x+24
4x2+4x+24

Tags

CCSS.HSF-BF.A.1B

5.

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

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

g(n)=4n-4
f(n)=n3+4
Find (g+f)(n)

-2n2-n+9
-n3-4n
-3n3-3n-5
n3+4n

Tags

CCSS.HSF-BF.A.1B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 f(a)=3a2f\left(a\right)=-3a-2  and  g(a)=4a+2g\left(a\right)=4a+2  Find:  (fg)(a)\left(\frac{f}{g}\right)\left(a\right)  

 4a+23a2\frac{4a+2}{-3a-2}  

 3a4a3+2a\frac{3a-4}{a^3+2a}  

 4a+23a2\frac{-4a+2}{3a-2}  

 3a24a+2\frac{-3a-2}{4a+2}  

Tags

CCSS.HSF-BF.A.1B

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