Free Printable Precalculus: Domain, Zeros

1.

Which is the domain of $f\left(x\right)=\frac{x-5}{2}$

a)

$x>5$

b)

$All\ Real\ Numbers$

c)

$x\ne5$

d)

$x\ge5$

2.

Select all that are domain restrictions of $f\left(x\right)=\frac{x-5}{x^3-4x}$

a)

$x\ne5$

b)

$x\ne2$

c)

$x\ne0$

d)

$x\ne4$

e)

$x\ne-2$

3.

What is the domain of $f\left(x\right)=\sqrt{x-3}$

a)

$x>3$

b)

$x<3$

c)

$x\ge3$

d)

$x\le3$

4.

What is the domain of $f\left(x\right)=\frac{2}{\sqrt{x}}$

a)

$x\ne-2$

b)

$x\ne0$

c)

$x\ge0$

d)

$x>0$

5.

What is the domain of $f\left(x\right)=\sqrt{8-x}$

a)

$x\ge8$

b)

$x\ge-8$

c)

$x\le8$

d)

$x\le-8$

6.

Choose all real zeros of $f\left(x\right)=\frac{1}{3}x^3-x$

a)

$0$

b)

$3$

c)

$\sqrt{3}$

d)

$-3$

e)

$-\sqrt{3}$

7.

Choose all real zeros of $f\left(x\right)=\frac{2}{x-4}$

a)

-2

b)

4

c)

0

d)

No Zeros

8.

Choose all zeros of $f\left(x\right)=x^3-3x^2-25x+75$

a)

0

b)

3

c)

-3

d)

5

e)

-5

9.

Choose all real zeros of $f\left(x\right)=\frac{\left(x+3\right)\left(x-4\right)}{\left(x-5\right)\left(x+6\right)}$

a)

-6

b)

-3

c)

0

d)

4

e)

5

10.

Choose all real zeros of $f\left(x\right)=\frac{x^2+9}{5}$

a)

3

b)

-3

c)

5

d)

-5

e)

No Zeros

Precalculus: Domain, Zeros

Total questions: 10

Worksheet time: 7mins

Similar Resources on Wayground