Lesson 8 - How much do you know Chap 3.1 Functions

Quiz by THAM MEI YEN, EMILY

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25 questions
• Q1
In functions, every input has exactly how many output(s)?
doesn't matter
two
one
none
10s
• Q2
True or False: Every function is a relation?
True
False
10s
• Q3
A set of images in a function is called
object
domain
range
function
30s
• Q4
What type of relation is this?
one to many
many to many
one to one
many to one
30s
• Q5
Which relation shows a function?
B
D
A
C
60s
• Q6
60s
• Q7
60s
• Q8
60s
• Q9
Is this a function? Why?
Yes because it is a one to many relation
Yes because it is a many to one relation
No because it is a many to one relation
No because it is a one to many relation
45s
• Q10
Object 0 mapped onto image
4
1
-2
3
30s
• Q11
The image of -2 is
0
-2
1
4
30s
• Q12
45s
• Q13
So, what is function?
a relation in which each output has exactly one input
a domain and a range
a relation in which each input has exactly one output
an input and an output
20s
• Q14
30s
• Q15
300s

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