Domain with Equations Checkpoint A-2

Domain with Equations Checkpoint A-2

11th Grade

9 Qs

quiz-placeholder

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Domain with Equations Checkpoint A-2

Domain with Equations Checkpoint A-2

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

Alisa Burton

Used 2+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the Domain: f(x)=7x+56f\left(x\right)=\sqrt{7x+56}  

 [8,)\left[-8,\infty\right)  

 (, 8]\left(-\infty,\ 8\right]  

 [9,)\left[-9,\infty\right)  

 x8x\ne-8  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the Domain: f(x)=4x+5x2+3x40f\left(x\right)=\frac{4x+5}{x^2+3x-40}  

 x8, x5x\ne-8,\ x\ne5  

 x8, x5x\ne8,\ x\ne-5  

 x54, x8, x5x\ne-\frac{5}{4},\ x\ne-8,\ x\ne5  

 x8, x5x\le-8,\ x\ge5  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the Domain: f(x)=x23x10f\left(x\right)=\sqrt{x^2-3x-10}  

 x5, x2x\ge5,\ x\le-2  

 x5, x2x\le5,\ x\ge-2  

 x5, x2x\ne5,\ x\ne-2  

 x=5, x=2x=5,\ x=-2  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the Domain: f(x)=x27x6f\left(x\right)=\sqrt{-x^2-7x-6}  

 [6, 1]\left[-6,\ -1\right]  

 (, 6]  [1, )\left(-\infty,\ -6\right]\ \cup\ \left[-1,\ \infty\right)  

 [1, 6]\left[1,\ 6\right]  

 x1, x6x\ne1,\ x\ne6  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the Domain: f(x)=2x+7x216f\left(x\right)=\frac{2x+7}{x^2-16}  

 (, 4) (4, 4)(4, )\left(-\infty,\ -4\right)\cup\ \left(-4,\ 4\right)\cup\left(4,\ \infty\right)  

 [4, 4]\left[-4,\ 4\right]  

 x4x\le4  

 (, 4][4, )\left(-\infty,\ -4\right]\cup\left[4,\ \infty\right)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the Domain: f(x)=x2+1x+7f\left(x\right)=\frac{x^2+1}{\sqrt{x+7}}  

 x7x\ge-7  

 x>7x>-7  

 x7x\ne7  

 x7, x1x\ne7,\ x\ne-1  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the Domain: f(x)=1x2+16f\left(x\right)=\frac{1}{x^2+16}  

 (, )\left(-\infty,\ \infty\right)  

 x4, x4x\ne4,\ x\ne-4  

 x16x\ne-16  

 (, 4)(4, 4)(4, )\left(-\infty,\ -4\right)\cup\left(-4,\ 4\right)\cup\left(4,\ \infty\right)  

8.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the Domain: f(x)=5x35f\left(x\right)=\sqrt{-5x-35}  

 (, 7]\left(-\infty,\ -7\right]  

 [7, )\left[-7,\ \infty\right)  

 x7x\ne-7  

 (, 7)\left(-\infty,\ 7\right)  

9.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the Domain: f(x)=2x+5x22x+35f\left(x\right)=\frac{2x+5}{\sqrt{-x^2-2x+35}}  

 x>7, x<5x>-7,\ x<5  

 x<7, x>5x<-7,\ x>5  

 x7, x5x\ge-7,\ x\le5  

 x7, x5x\le7,\ x\ge-5