WorksheetsGrade 8 / second term / quiz 8 / relation and function
Total questions: 10
Worksheet time: 50mins
Name
Class
Date
1.
State the domain of the relation.
{ (3, -2) , (4, -3), (5, -4), (6, 0) }
a)
(-2, -3, -4, 0)
b)
{ -2, -3, -4, 0 }
c)
{ 3, 4, 5, 6 }
2.
What is the range?
a)
{-3, -1, 2, 4}
b)
{0, 4, 7}
c)
{0, 4, 4, 7}
d)
{7, 4, 0}
3.
What is the domain ?
a)
{-3, -1, 2, 4}
b)
{0, 4, 7}
c)
{0, 4, 4, 7}
4.
Is this mapping a function or not a function?
a)
Function
b)
Not a Function
5.
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.
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.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
R: {0, 1, 2, -4}
b)
D:{0, 1, 2, -4}
R:{1, -3, -4}
R:{1, -3, -4}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
R:{1, -3, -4}
8.
What does the picture shows?
a)
FUNCTION
b)
NOT A FUNCTION
9.
What does the picture shows?
a)
FUNCTION
b)
NOT A FUNCTION
10.
State the range of the relation.
{ (3, -2) , (4, -3), (5, -4), (6, 0) }
a)
(3, -2, 4, -3)
b)
(-2, -3, 5, 0)
c)
{ -2, -3, -4, 0 }
d)
{ 3, 4, 5, 6 }
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