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Graphs
Patterns and Linear Functions
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Writing a Function Rule
Relations and Functions
100
A quantity in an equation that stays the same.
What is a constant?
100
A quantity that depends on another variable.
What is an dependent variable?
100
A function whose graph has no jumps or breaks or wholes in it.
What is a continuous function?
100
Information from previous math classes, other school subjects, and your everyday life that you use to solve difficult math problems.
What is background knowledge?
100
The set of all the x-values in a function
What is the domain?
200
A quantity in an expression or equation that can change.
What is a variable.
200
A function whose graph is a straight line or part of a straight line.
What is a linear function?
200

Based on the table below, this is the number of cups of yogurt that can be made with 2.5 gallons of milk.

milk (gal)yogurt (cups)
00
114
228
342
456
What is 35?
200
A formula using c and m converting centimeters to meters.
What is c = 100 m? (or m = c/100)
200
A test for determining whether a relation is a function based on its graph.
What is the vertical line test.
300
The part of a graph that is labeled with values and variables.
What is an axis.
300
Another word for values of an independent variable.
What is an input? (or an x-value)
300
A function whose graph is composed of individual points that are not connected to one another.
What is a discrete graph?
300
A formula using V and L for the volume of a square box whose sides are all the same length.

What is V = L3

300
The range of the relation {(3,7), (3,8), (3,-2), (4,7), (3,1)}
What is {7, 8, -2, 1}?
400
Part of a graph that is always drawn horizontally.
What is the x-axis.
400
A rule that assigns each input exactly one output.
What is a function?
400
The solution to the equation 2(x - 5) = 2 - x.
What is x = 4?
400
A function rule using h and t for finding the height of a helicopter as it ascends from a height of 40 meters at a rate of 7 meters per second.
What is h = 40 + 7t?
400
The range of the function f(x) = -1.5x + 4 when the domain is {1,2,3,4}.
What is {-2, -0.5, 1, 2.5}?
500
A graph shows a picture of the relationship between this number of variables.
What is 2?
500

A function rule that could represent, for instance, this table:

xy
050
149
248
What is y = 50 - x
500
A function rule using x and y to represent the following ordered pairs: (0,-3), (1, -5), (2, -7), (3, -9)
What is y = -2x - 3
500
A function rule using x and y that fits these ordered pairs: (0,-1), (1, 4), (2, 9), (3, 14)
What is y = 5x - 1
500
An expression for f(x+1) when f(x) = 2x.
What is 2(x + 1)? (or 2x + 2)