natural numbers

counting numbers

N

natural numbers symbol

W

whole numbers symbol

whole numbers

starting at zero and counting up

intergers

postive and negative whole numbers

Z

intergers symbol

We will write a custom essay sample on

Any topic specifically for you

For only $13.90/page

Order Now
rational numbers

2/3, 3.81

Q

rational numbers symbol

irrational numbers

pi

real numbers

the rational and irrational

fancy R

real numbers symbol

imaginary numbers

square root of -1

pure imaginary numbers

2i,-10i

complex numbers

a+bi

null set

set that contains no elements

relation

a set of ordered pairs, a correspondence that matches up two sets of objects {(1,2),(3,5),(-2,6)}

domain

the first set in the correspondence the set of all the x values

D:{-2,1,3}

D:{-2,1,3}

range

the second set in the correspondence the set of all the y values

R:{2,5,6}

R:{2,5,6}

functions

a relation in which each element of the domain is paired to one end and only one element of the range

independent variable

a variable used as a placeholder for the domain values

dependent variable

a variable used as a placeholder for the range values

abscissa

first coordinate of a point on the graph (x value)

ordinate

second coordinate of a point on the graph (y value)

local extremum

f(c), local minimum or local maximum

piecewise-defined functions

functions whose definitions involve more than 1 formula

continuous graph

a graph that contains no breaks or gaps and can be drawn without lifting a pen from the paper

discontinuous graph

a graph that has a break or gap on it

greatest integer function

stair step pattern, known as step function