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Relations
Functions
Linear Equations
Graphing
100
Martin earns $7.50 per hour proofreading ads at a local newspaper.
From the scenario, identify the independent and dependent variables.
independent: hours,
dependent: total amount of $ earned
100
Is the following relation a function?
{(-5, 6), (3, 9), (-11, 3), (5, -2), (4, 8)}
yes
100
Is the function linear? If so, write a function rule.
x y
-1 -6
0 -4
1 -2
2 0
y = 2x - 4
100
Given y = 5x + 3, find the value of y when x = -2
y = -7
200
What is the domain of {(1, 12), (9, -3), (-3, 5), (8, 14)}?
{-3, 1, 8, 9}
200
Is the following relation a function?
red {(9, 1), (3, -7), (4, -24), (3, -2), (14, 15)}
no
200
If y= 3n + 7, find what y equals when x is 7.
28
200
A relation between a set of inputs (x) and outputs (y) where each input produces exactly one output.
What is function.
300
What is the range for {(10, -4), (12, 4), (-9, 23), (5, 3)}?
{-4, 3, 4, 23}
300
Is the following relation a function?
{(11, 23), (19, 4), (-5, 9), (11, 23)}
yes
300
Martin earns $7.50 per hour proofreading ads at a local newspaper.

If h represents the number of hours worked,
and e represents the total amount of money earned,
write an algebraic equation to find the total earnings.
7.50h = e
300
The point (-3, -4) is in this quadrant.
What is the third quadrant.
400
Express the following relation as a mapping. {(9, 13), (-3, 2), (4, -6), (7,8), (-8, 2)}
x -8 -3 4 7 9
y 2 2 -6 8 13
400
If y= 4x - 11, find y when x=-9
-47
400
Evaluate for the function y = -4 - 3x when x= -1
-1
400
Continuous or discrete: The amount of money in a bank account earning 3% interest.
continuous
500
What is the range for the following relation?
x y
-7 13
5 -9
6 17
9 11
{-9, 11, 13, 17}
500
If y = 0.5m + 8, find y when m =2.
9
500
Is the function linear? If so, write the function rule.

x y
7 -16
14 -14
21 -12
28 -10
y = -2/7x - 18
500
Given the domain of {-3, -1, 2, 4}, find the range of y = 5 - x
{1, 3, 6, 8,}