# Chapter 2 - 2.3 - Analyzing Graphs of Functions - 2.3 Exercises - Page 197: 90c

Increasing from 6 a.m. to noon and from 2 a.m. to 6 a.m. Decreasing from noon to 2 a.m.

#### Work Step by Step

Using the graph we notice the intervals on which the function is increasing/decreasing: -The temperature was increasing from $x=0$ to $x=6$ (from 6 a.m. to noon). - The temperature was decreasing from $x=6$ to $x=20$ (from noon to 2 a.m.). - The temperature was increasing from $x=20$ to $x=24$ (from 2 a.m. to 6 a.m.).

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