Domain and Range
x and y intercepts
Intervals of Positive and Negative
Intervals of
Increasing and Decreasing
100

State the definition of the domain and range of a function.

The domain is all of the x values of a function.

Range is all of the y values of a function.

100

the y intercept must intersect the __-________

The x intercept must intersect the __-_______


y axis

x axis

100

What intervals is this function positive and when is it  negative?


Positive: R

Negative: NEVER

100

How do we know when a line is decreasing?

Line is moving positively on the x-axis and negatively y-axis (the line is going down)

200

What is the domain and range of the graph below?

Domain: (-∞ ,∞ )

Range: [-3,3]

200

How do we know when a line is increasing?

Line is moving positively on the y-axis and x-axis (the line is going up)

300

What is the Domain and Range of the function graphed below?


Range: (-∞ , 4]

Domain: All real numbers



300

What is/are the x and y-intercept(s) of this function?


x int: -4 & 3

y int : -3

300

At what interval is this function negative? and when is it positive


Negative: (-3, 2)

Positive (-∞,-4)U(3,∞)

300

What is the interval of DECREASE and when does it INCREASE?


Decrease:(1,∞ )

Increase: (-∞,1)

400

What is the domain and range of the function graphed below?


Domain: (-∞ , 4]

Range: [0,∞)

400

What are the x and y intercept(s)?


x int:-1 and 3

y-int: 2

400

At what interval is the function POSITIVE?


This is not a function

500

What is the domain and range of the graph below?


Domain: [-4,3)

Range: (-5,5)

500

What are the x and y intercepts?


x: 4

y: 2

500

Name the positive and negative intervals of this grapg


Positive: (-6,-2)U(2,6)

Negative (-∞-6)U(-2,2)U(6,∞)

500

What are the intervals of increase and decrease?


Increase: (-8,-4) U (0,4) U (8,∞ )

Decrease: (-∞ ,-8) U (-4,0) U (4,8)

M
e
n
u