WorksheetsFunction Basics
Total questions: 15
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
What is the definition of function?
a)
Has inputs and outputs
b)
Every input has only ONE output
c)
Inputs have different outputs every time
d)
x-values and y-values
2.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
3.
a)
Function
b)
Not a Function
4.
Is this mapping a function or not a function?
a)
Function
b)
Not a Function
5.
Is this table a function or not a function?
a)
Function
b)
Not a Function
6.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
7.
Is this graph a function or not a function?
a)
Function
b)
Not a Function
8.
What is the range of the following relation:
(9, -2) (4, 3) ( 8, 10) ( -4, 8)
(9, -2) (4, 3) ( 8, 10) ( -4, 8)
a)
-4, 4, 8, 9
b)
-2, 3, 8, 10
c)
(9, -2) ( 4, 3)
d)
(8, 10) (-4, 8)
9.
a)
x is less than or equal to -2
b)
x < -2
c)
-2 < x
d)
x is greater than -2
10.
If you were to graph the inequality would the circle be open or closed?
x ≥ 15
x ≥ 15
a)
open
b)
closed
11.
What are the local maxima of this graph?
a)
local maximum at (2.2, 3.9)
b)
local maximum at (-8, 5)
c)
local maximum at (5, -8)⋃(3.9, 2.2)
d)
local maximum at (-8, 5)⋃(2.2, 3.9)
12.
When is this function increasing?
a)
−2.5 < x < 2.5
b)
0 < x < 5
c)
0 < x < 55
d)
−5 < x < 0
13.
Over what interval is this function constant?
a)
−5 < x < ∞
b)
−3 < x < 4
c)
4 < x < ∞
d)
−5
14.
List the types of intervals that the graph demonstrates in order.
a)
decreasing, constant, increasing, constant
b)
increasing, decreasing, constant
c)
increasing, constant, increasing, constant
d)
increasing, constant, decreasing, constant
15.
What is the range?
a)
-4 < x ≤ 5
b)
-4 ≤ x < 5
c)
-3 < y < 3
d)
-3 ≤ y ≤ 3
100 %
