WorksheetsUnit 3 Review
Total questions: 59
Worksheet time: 2hrs 42mins
Which letter has the coordinates (-1,2)
A
B
C
D
E
What is coordinate R?
(2,5)
(0,1)
(2,3)
(1,0)
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
D: {1, -3, -4,}
R: {0, 1, 2, -4}
D: {-4, 0, 1, 2}
R:{-4, -3, 1}
D: {0, 1, 2, 3, 4}
R:{1, -3, -4}
D: {0, 1, 2, -4}
R: {1, -3}
It is a function because each x has only one y.
It's not a function because x repeats.
It's not a function because a y has multiple x's.
It is a function because each y has only one x.
In order to be a function the following must be true.
there are no multiple x values
there are multiple x values
there are multiple y values
there are no multiple y values
Which of the following guarantees a mapping will not be a function?
A x value doesn't repeat
A y value repeats
An x value has two or more arrows leaving it
A y value has two or more arrows arriving at it
Evaluate f(-2) if f(x) = x2+ 3
-1
1
7
-7
How would you say f(x)
x of f
f of x
f(x) means the same thing as ____.
x
t
y
r
Given f(x)=5x-2 and g(x)=x2, find f(2)+g(7)
8
57
49
-41
What is the domain of the graph?
-3 ≤ x ≤ 3
3 ≤ y ≤ -3
-2 ≤ x ≤ 10
-3 ≤ x ≤ 10
What is the range of the graph?
-2 < x < 10
-3 < x < 3
-2 ≤ y ≤ 10
-3≤ x ≤ 3
What is the domain of the graph?
(−15,∞)
(−∞,∞)
-3 ≤ x ≤ 3
-15 ≤ y ≤ 9
What is the range of the graph?
-15 < x < ∞
(-∞, ∞)
(-15, ∞)
[-15, ∞)
What is the input?
0, 4, 10, 12
1, 2, 4, 5, 10, 12
0, 4, 10, 4, 12
1, 2, 5
What is the output?
0, 4, 10, 12
1, 2, 4, 5, 10, 12
0, 4, 10
1, 2, 5
Find the Range.
All Real numbers
0 < y < 11
x ≥ 0
y > 0
What is the Range?
-3 ≤ y < 2
-3 < y ≤ 2
-7 ≤ y ≤ 2
-7 ≤ x < 2
What is the range of this function?
x > -2
f(x) > -2
f(x) ≥ -2
f(x) > 2
What is the range of this function?
f(x) > 0
f(x) < 0
x ≥ 0
x < 0
What is the DOMIAN?
-4 ≤ x ≤ 1
-4 ≤ y ≤ 1
-2 ≤ x ≤ 3
-2 ≤ y ≤ 3
What is the RANGE?
-4 ≤ x ≤ 1
-4 ≤ y ≤ 1
-2 ≤ x ≤ 3
-2 ≤ y ≤ 3
Which is the set of all y-values or the outputs?
Domain
Range
Relation
Function
What is the domain of a relation?
the set of all x-values
the set of all y-values
What is the range of the function?
-7≤x≤6
-7<x<6
-8<y<2
-8≤y≤2
