Unit F Part 1 Day 2 Domain and Range of Quadratic Functions Completed Notes
D.I.R.T.
Graph y = 2(x + 2)2 ­ 7
Graph f(x) = (x­1)2 ­ 2
vertex:
vertex:
AOS:
AOS:
maximum/minimum: maximum/minimum: transformations:
transformations:
Wehrle 1
Unit F Part 1 Day 2 Domain and Range of Quadratic Functions Completed Notes
Unit F Part 2 Writing & Graphing Quadratic Equations
Day 3: Domain & Range
Objectives: State the domain and range of a quadratic function. State the increasing and decreasing intervals of a quadratic function.
Wehrle 2
Unit F Part 1 Day 2 Domain and Range of Quadratic Functions Completed Notes
Domain ­ valid x values that can be used in a function
Range ­ valid y values of a a function
Increasing ­ interval of x values where the graph is going "uphill" from left to right
Decreasing ­ interval of x values where the graph is going "downhill" from left to right
Wehrle 3
Unit F Part 1 Day 2 Domain and Range of Quadratic Functions Completed Notes
State all given information from the graph.
Domain:
Range:
Increasing:
(2, ­2)
Decreasing:
AOS:
Maximum/minimum: This quad has a
value of Wehrle when x = . 4
Unit F Part 1 Day 2 Domain and Range of Quadratic Functions Completed Notes
State all given information from the graph.
Domain:
(0, 4)
Range:
Increasing:
Decreasing:
AOS:
Maximum/minimum: This quad has a
value of Wehrle when x = . 5
Unit F Part 1 Day 2 Domain and Range of Quadratic Functions Completed Notes
State all given information from the graph.
Domain:
(­3, 5)
Range:
Increasing:
Decreasing:
AOS:
Maximum/minimum: This quad has a
value of Wehrle when x = . 6
Unit F Part 1 Day 2 Domain and Range of Quadratic Functions Completed Notes
State all given information from the graph.
Domain:
Range:
Increasing:
Decreasing:
(­4, ­2)
AOS:
Maximum/minimum: This quad has a
value of Wehrle when x = . 7

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