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FUNCTIONS. Moira Clemente Alpresa. IES Maestro Diego Llorente (Los Palacios y Villafranca)
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Page 1: Functions

FUNCTIONS. Moira Clemente Alpresa.

IES Maestro Diego Llorente

(Los Palacios y Villafranca)

Page 2: Functions

DOMAIN AND RANGE

Exercise: Find the domains and ranges of the following functions:

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2. FUNCTION VARIATION (INCREASE AND DECREASE)

A function is increasing if when x increase y also increase.

A function is decreasing if when x increase y decrease.

Increasing Decreasing

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Many functions have increasing intervals and decreasing intervals

Decreasing: (-∞,0) Increasing: (0,+∞)

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Exercise: Mark the increasing and decreasing intervals in each graph.