Identifying Functions
Domain & Range
Evaluating Functions
100
The name of the test used to determine whether a graph is a function or not is called the ____________ _______ test.
What is vertical line?
100
The _________ of a function is the set of values x-values that satisfy the function. The _________ of a function is the set of y-values that the function assumes.
What is domain? What is range?
100
f(x)=3x−2 ; find f(3)
what is 7?
200
A function is a special type of relation where every input, or ___ value has exactly one output, or ___ value.
What is x? What is y?
200
Identify the domain of the following relation:
{(1,0), (-2, 3), (3, 4), (1,-3), (0,5), (5,5), (0,1)}
What is {1, -2, 3,0,5}?
200
f(x)=4x ; find f(-15)
What is -60
300
Determine if the following relation is a function.
{(9, 0), (3, 0), (2, 2), (-3, -4)}
What is YES?
300
Identify the range of the following relation:
{(8,7), (-6, 3), (2, 0), (7,8), (3,-6), (8,3)}
What is {7, 3, 0, 8, -6}?
300
f(x)=7x-5 ; f(6)
What is 37?
400
Provide an example of an ordered pair that could be added to this set of ordered pairs and allow the relation to remain a function.
{(8, 11), (16, 3), (18, 2), (11, 18)}
Answers will vary.
400
Name at least three ways to represent a relation.
What is a set of ordered pairs, graph, mapping diagram, and x-y table?
400
f(x)=-8x-9 ; f(-3)
What is 15
500
Is the following relation a function? WHY?
What is YES BECAUSE EVERY INPUT VALUE HAS ONLY ONE OUTPUT VALUE?
500
Represent the relation {(6, 4), (-3, -2), (6, 0), (-4, 4)} in a x-y table AND a mapping diagram. Identify the domain and range.
See whiteboards.
D: {(6, -3, -4)} R: {(4, -2, 0)}
500
f(x)=3(-2x+7) ; f(11)
What is -45