Interval Notation
X, Y Intercepts
Wildcard
Domain and Range
Increasing/Decreasing Intervals
100
Use parentheses if you see a ______ circle at the start/end
Use square brackets if you see a _______ circle at the start/end.
open, closed
100
1. The x-intercept is where the line ________
2. The y-intercept is where the line_________
1. Crosses the x-axis
2. Crosses the y-axis
100
Double Jeopordy! Get this right and you gain 200 points!
What are the Domain and Range of this graph:
Domain: [-1, 1]
Range: [-1, 1.5]
100
When looking for the domain, you look from ____ to _____
Left to right
100
We say a function is increasing if the y-values are going ____ as we look from ____ to _____ along the x-axis.
up, left to right
200
Write in interval notation x≥4
[4, ∞)
200
Write the x-intercept(s) as ordered pairs
(-1,0) (5,0)
200
When looking for the range of a graph you look from ______ to ______
bottom to top
200
What is the Range of this graph? Write it in Interval Notation.
[-4, ∞)
200
Write the increasing intervals in interval notation. Assume both ends of the graph have closed circles.
(-1.5, 0)
(2, 3.5)
300
Write this interval as an inequality
(-∞,7]
x≤7
300
Write the Y-Intercept as an ordered pair
(0,-5)
300
The vertex is where the graph _____
changes directions
300
What is the domain of this graph. Write it in interval notation.
(-∞, ∞)
300
Write the decreasing interval(s) in interval notation. Assume both ends of the graph have closed circles.
(0, 2)
400
Write in Interval Notation
[2,5)
400
Write the Vertex of the graph as an ordered pair
(2,-4)
400
x>-10
(-10, ∞)
400
What are the Domain and Range of this graph? Write in interval notation.
Domain: [-6, 6]
Range: [-5, 5]
400
Write the decreasing intervals in interval notation
(-5,-3) (6,7)
500
Write in Interval Notation
(-∞,7)
500
Write out the x-intercept(s), y-intercept, and vertex as ordered pairs. (make sure you label which is which)
x-int: (-2,0) (2,0)
y-int: (0,4)
vertex: (0,4)
500
When writing Increasing and Decreasing Intervals we always use ______.
Parenthesis
500
What are the Domain and Range of this graph? Write in interval notation.
Domain: (-4,1]
Range: (-2,1]
500
Write the increasing, decreasing, and constant intervals in interval notation
Increasing: (1, ∞)
Decreasing: (-∞, -1)
Constant: (-1, 1)