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Level 444

Graphs & Functions

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The ______________________ is all the possible INPUT, X, values.
each piece of information in a matrix
Linear Equation
A polynomial equation of the first degree whose graph is a line.
Linear Function
y = mx + b
Nonlinear Function
a function which has a graph which is not a straight line
The difference between the greatest number and the least number in a set of data.
A set of numbers arranged in a special order or pattern.
A _ is a well-defined collection of objects.
Line equation
the point where the line crosses the y-axis
coordinate plane
A plan formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis.
The horizontal axis on a coordinate plane.
The vertical axis on a coordinate plane.
ordered pair
A pair of numbers that can be used to locate a point on a coordinate plane.
the first coordinate of an ordered pair in a relation (x,y)
the second coordinate of an ordered pair in a relation (y in x, y)
independent variable
the tested varaible
dependent variable
the measure of change in the independent variable
Function notation
In general, a special numerical relationship where the symbol f(x) replaces y and is read as "the value of f at x" or simply as "f of x".
continuous graphs
graphs that are connected by lines or curves
discrete graphs
graphs that have only distinct points
becoming greater or larger
becoming less or smaller
a quantity that does not vary
If you repeat an INPUT, and you always get the same OUTPUT, your data is a ______________________ .
trend line
A line that closely fits the data points in the scatter plot.
direct variation
If gummy bears cost $3.50 per pound, how much will 6 pounds cost? How much would a half a pound cost?