Free Printable Basic Info on Functions

1.

Is this mapping a function or not a function?

a)

Function

b)

Not a Function

2.

Is this is a function or not a function?

a)

Function

b)

Not a Function

3.

Is this set of ordered pairs a function or not a function?

a)

Function

b)

Not a Function

4.

Which graph does not represent a function?

a)

Graph 1

b)

Graph 2

c)

Graph 3

d)

Graph 4

5.

What function is this graph representing?

a)

$f\left(x\right)=x^{ }$

b)

$f\left(x\right)=\sqrt[]{x}$

c)

$f\left(x\right)=\left|x\right|$

d)

$f\left(x\right)=\sqrt[]{\left|x\right|}$

6.

Which pair of functions are the same function?

a)

$f\left(x\right)=\sqrt[]{x^2}\$ and $g\left(x\right)=\left|x\right|$

b)

$f\left(x\right)=x-2$ and $g\left(x\right)=\frac{x^2-4x+4}{x-2}$

c)

$f\left(x\right)=2^x$ and $g\left(x\right)=\log_2x$

d)

$f\left(x\right)=\frac{x-1}{x+1}$ and $g\left(x\right)=1-\frac{1}{x+1}$

7.

Find the gradient of line.

a)

$-3$

b)

$3$

c)

$-\frac{1}{3}$

d)

$\frac{1}{3}$

8.

Which of these represents point-gradient form of a linear equation?

a)

$x-x_1=m(y-y_1)$

b)

$Ax+By=C$

c)

$y=mx+b$

d)

$y-y_1=m(x-x_1)$

9.

Line 1 passes through $(15,20),(17,18)$

Line 2 passes through $(-22,-18),(-20,-16)$

The two lines are _____________________.

a)

Parallel

b)

Perpendicular

c)

Neither

d)

Same line

10.

Which line is parallel to $y=7-4x$ ?

a)

$4y+16x=7$

b)

$y-4x=7$

c)

$y=-7x+4$

d)

$4x=10+7y$

11.

What is the vertex of this function?

$f\left(x\right)=\left(x-4\right)^2+3$

a)

(-4,3)

b)

(4,3)

c)

(-4,-3)

d)

(4,-3)

12.

How many zeros does this function have?

a)

1

b)

2

c)

3

d)

4

13.

What is the domain of the graph?

a)

{-4, 0, 2, 4}

b)

{-5, -4, -3, -1}

c)

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

d)

$\left[-5,-1\right]$

14.

What is the range?

a)

$\left(-\infty,\ -3\right]$

b)

$\left[3,\ -\infty\right)$

c)

$\left(-\infty,3\right]$

d)

$\left[-3,\ \infty\right)$

15.

Write the domain of $f\left(x\right)=\frac{x}{x^2-16}$

a)

$\left\{x\ne4\right\}$

b)

$\left\{x>8\right\}$

c)

$\left\{x\ne16\right\}$

d)

$\left\{x\ne-4,\ 4\right\}$

Basic Info on Functions

Total questions: 15

Worksheet time: 12mins

Similar Resources on Wayground