Domain Restrictions: Rational and radical functions

Domain Restrictions: Rational and radical functions

10th - 12th Grade

6 Qs

quiz-placeholder

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Domain Restrictions: Rational and radical functions

Domain Restrictions: Rational and radical functions

Assessment

Quiz

Mathematics

10th - 12th Grade

Medium

CCSS
HSA.APR.D.7, HSF.IF.B.5, HSA.REI.A.2

Standards-aligned

Created by

Dustin Locke

Used 55+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the domain restriction of f(x)=x+5f\left(x\right)=\sqrt{x+5} 

 x0x\ne0  

 x5x\ne-5  

 x5x\ge-5  

 x0x\ge0  

Tags

CCSS.HSA.REI.A.2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are the domain restrictions of f(x)=x+3x216f\left(x\right)=\frac{x+3}{x^2-16}  ?

 x4,4x\ne4,-4  

 x0x\ne0  

 x16x\ge16  

 (4,4)\left(-4,4\right)  

Tags

CCSS.HSA.APR.D.7

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determine the domain of f(x)=6x+2f\left(x\right)=\frac{6}{\sqrt{x+2}}  

 x>2x>2  

 x0x\ge0  

 (,2)\left(-\infty,-2\right)  

 (2,)\left(-2,\infty\right)  

Tags

CCSS.HSF.IF.B.5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the domain restriction of f(x)=32x+7f\left(x\right)=\frac{3}{2x+7}  ?

 x72x\ne\frac{7}{2}  

 x72x\ne-\frac{7}{2}  

 x7x\ne-7  

 x7x\ne7  

Tags

CCSS.HSA.APR.D.7

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Find the domain f(x)=6xf\left(x\right)=\frac{6}{\sqrt{x}}  

All real numbers but x0x\ne0  

 x0x\ge0  

 x>0x>0  

All real numbers

Tags

CCSS.HSF.IF.B.5

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are the domain restrictions f(x)=3x2+6x+5f\left(x\right)=\frac{3}{x^2+6x+5} 

 x5,1x\ne-5,-1  

 x1,5x\ne1,5  

 x>5, x<1x>5,\ x<1  

 x<5, x>1x<-5,\ x>-1  

Tags

CCSS.HSA.APR.D.7