WorksheetsWeek 1: Relations and Functions
Total questions: 10
Worksheet time: 5mins
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.
The numbers (3, 4) represent a(n) _____.
a)
x-coordinate
b)
x-axis
c)
y-coordinate
d)
y-axis
e)
ordered pair
4.
In the ordered pair (3, 4), 3 represents a(n) _____.
a)
x-coordinate
b)
x-axis
c)
y-coordinate
d)
y-axis
e)
ordered pair
5.
In the ordered pair (3, 4), 4 represents a(n) _____.
a)
x-coordinate
b)
x-axis
c)
y-coordinate
d)
y-axis
e)
ordered pair
6.
The _____ is used to determine whether or not a graph represents a function.
a)
function notation
b)
discrete function
c)
continuous function
d)
vertical line test
e)
horizontal line test
7.
Does this graph represent a function?
a)
Yes
b)
No
8.
If f(x)=7x−4 , find f(3) .
a)
f(3)=−4
b)
f(3)=−18
c)
f(3)=17
d)
f(3)=−25
9.
If f(x)=7x−4 , find f(0) .
a)
f(0)=−4
b)
f(0)=−18
c)
f(0)=17
d)
f(0)=−25
10.
If f(x)=7x−4 , find f(−2) .
a)
f(−2)=−4
b)
f(−2)=−18
c)
f(−2)=17
d)
f(−2)=−25
100 %
