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# math vocab

### math vocab study stuff

TermDefinition
function a relationship or expression involving one or more variables.
Discrete Data Data that can only take certain values
Independent variable A variable whose variation does not depend on that of another
dependent variable Variable whose value depends on that of another
Domain the set of all possible x-values which will make the function "work", and will output real y-values. All the values that go into the function.
continuous data quantitative data that can be measured
range difference between lowest and highest value
coefficient A number used to multiply a variable. Example: 6z means 6 times z, and "z" is a variable
step function a function that increases or decreases abruptly from one constant value to another.
function notation way a function is written y = f (x).
term is either a single number or variable, or numbers and variables multiplied together. separated by + or − signs, or sometimes by divide. 4x+ 7 = 5
relation relationship between sets of values. In math, it is between the x-values and y-values of ordered pairs. The set of all x-values is called the domain, and the set of all y-values is called the range.
Created by: 122efff