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Domain

The ______________________ is all the possible INPUT, X, values.

element

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

Range

The difference between the greatest number and the least number in a set of data.

Sequence

A set of numbers arranged in a special order or pattern.

Set

A _ is a well-defined collection of objects.

slope

(y₂-y₁)/(x₂-x₁)

y=mx+b

Line equation

y-intercept

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.

x-axis

The horizontal axis on a coordinate plane.

y-axis

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.

Input

the first coordinate of an ordered pair in a relation (x,y)

Output

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

increasing

becoming greater or larger

decreasing

becoming less or smaller

constant

a quantity that does not vary

function

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?