Test 1 Review 9/5-9/25

Domain

Left to right on X axis (how far does the line go?)

Range

Up and down on Y axis (how long in the line?)

X-intercept

Point(s) that hit on the X axis

Y-intercept

Point(s) that hit on the Y axis

Maximum value

Highest Y value of a graph

Minimum value

Lowest Y value

ROC

Increasing interval

Intervals where x increases, y increases

Decreasing interval

Intervals where x increases, y decreases

< <

Less, less than

> >

greater, greater than

< > ( )

open circle

< > [ ]

closed circle

Function Definition

each X value has one Y value

What to do when you see f(x)= { x if -2 < x < 2

the y values are the same as x values.