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Unit 6A: Introduction for Functions

Description

8th grade Math (Algebra Readiness A) Flashcards on Unit 6A: Introduction for Functions, created by Dan Mayle on 10/08/2021.
Dan Mayle
Flashcards by Dan Mayle, updated more than 1 year ago
Dan Mayle
Created by Dan Mayle almost 4 years ago
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Question Answer
sequence an ordered list of numbers
term each number in a sequence
ellipsis a set of three periods, which stands for "and so on"
discrete a graph made up of isolated points
continuous a graph with no breaks in it
linear straight line
nonlinear not a straight line
mapping Illustrates how each element of the domain (x) is paired with an element in the range (y)
set a collection of numbers, geometric figures, letters, or other objects that have some characteristic in common
relation a set of ordered pairs
function a relation in which each element of the domain is paired with exactly one element of the range
domain (input) the set of x-coordinates in a relation.
range (output) the set of y-coordinates in a relation.
Vertical Line Test if any vertical line passes through no more than one point of the graph of a relation, then the relation is a function
increasing function graph (or part of a graph) that rises from left to right
constant function graph (or part of a graph) that doesn't increase or decrease; flat line; horizontal
decreasing function graph (or part of a graph) that falls from left to right
interval Can be increasing, decreasing, or constant. In the picture, from 0 to 50 and from 70 to 100 seconds it is increasing. From 50 to 70 seconds, it is decreasing. And from 100 to 120 seconds, it is constant.
absolute value function y = |x|; Graph will be in a "v-shape"; nonlinear
quadratic function y=x^2; Graph will be in a "u-shape"; nonlinear
cubic function y=x^3; nonlinear
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