Free Printable REVIEW QUIZ #1

1.

What is the domain of $y\ =\ 3x\ +\ 4$

a)

{x / x> - 4}

b)

{x ? x < - 4}

c)

{x / x $\ne$ $-4$ }

d)

{x / x $\epsilon$ R}

2.

What is the range of $y\ =\ 3x\ +\ 4$

a)

{ y / y = R}

b)

{y/y $\ne-3$ }

c)

{ y / y $\ne-5$ }

d)

{y/y $\ne0$ }

3.

If $f\left(x\right)\ =\ x^2\ -\ x\ +\ 3\$ and $g\left(x\right)\ =\ x\ -\ 1$ , then what is $f\left(-1\right)$ ?

a)

$-7$

b)

$-5$

c)

5

d)

7

4.

If $f\left(x\right)=\ x\ -\ 3$ and $g\left(x\right)\ =\ x\ +3$ , then $\left(\left(f\cdot g\right)\left(x\right)\right)$ is equal to _______?

a)

$x^2\ -\ 9$

b)

$3\left(x^2-9\right)$

c)

$2x^2+9$

d)

$2x^2\ -\ 9$

5.

If $f\left(x\right)=x^2-x+3$ , $g\left(x\right)=x+3$ and $h\left(x\right)=x^2+3$ , then $f\left(x\right)\ -\ g\left(x\right)\$ is equal to __________?

a)

$x^2+5x+3$

b)

$x^2-5x+3$

c)

$x^2-5x-3$

d)

$x^2+5x-6$

6.

If $f\left(x\right)=3x$ and $g\left(x\right)=13x$ , what is $g\left(f\left(x\right)\right)$ ?

a)

3x

b)

39x

c)

13x

d)

$26x^2$

7.

A bus ride costs Php 12 for the first 4 km, and each additional km adds Php 2 to the fare. Use a function to represent the bus fare in terms of the distance $d$ in km. How much should you pay if you would be travelling from Pasay City to Parañaque City their distance is 6 km?

a)

Php 12

b)

Php 14

c)

Php 16

d)

Php 18

8.

Which function best represents this problem; "A teacher will give a Php 100 reward to whoever will be the highest scorer in the exam . How much will he/she give to whoever will be the highest score?

a)

$P\left(x\right)\ =\ \frac{200}{x}$

b)

$P\left(x\right)\ =\ \frac{100}{x}$

c)

$P\left(x\right)\ =\ \frac{200}{2}$

d)

$P\left(x\right)\ =\ \frac{100}{2}$

9.

Which rational function best represents the problem; " How much would each child receive, If there is Php 100,000 budget for the whole barangay?"

a)

$P\left(x\right)\ =\ \frac{100000}{x}$

b)

$P\left(x\right)\ =\ -\ \frac{100000}{x}$

c)

$P\left(x\right)\ =\ \frac{100000}{-x}$

d)

$P\left(x\right)\ =\ \frac{100000}{100}$

10.

Identify the given expression $y=\frac{\left(x\ -\ 1\right)\left(x+1\right)}{x+3}$

a)

rational equation

b)

rational inequality

c)

rational function

d)

rational expression

11.

Identify the given expression $\frac{x-1}{x+3}+5=\frac{x+5}{x-2}$ ?

a)

rational equation

b)

rational inequality

c)

rational function

d)

rational expression

12.

Identify the given expression $\frac{\left(x^2-1\right)}{2x+3}\ge2$ whether____?

a)

rational equation

b)

rational inequality

c)

rational function

d)

rational expression

13.

Identify the given expression $\frac{\left(x-1\right)\left(x+1\right)}{x+2}$ whether_______?

a)

rational equation

b)

rational inequality

c)

rational function

d)

rational expression

14.

What is the value of x in the equation $\frac{3}{x+3}=\frac{4}{x+1}$ ?

a)

$-9$

b)

$-3$

c)

3

d)

9

15.

Which of the following is not a function?

a)

$y=x^3\ +5$

b)

$y^2\ =\ 2x\ +\ 5$

c)

$y\ =\ x^2\ -\ 5$

d)

{(3,5), (4,2), (-2,1), (0,0)}

REVIEW QUIZ #1

Total questions: 15

Worksheet time: 15mins

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