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## Lesson 19: Graphs of Functions Reading

** Description:**The lesson begins with graphs of the Dow Jones Industrial Average and water levels of Lake Huron where points on the graph are interpreted. Intervals of increase and maxima are introduced before the graph of F(x) = sqrt (x+4) is completed by first generating a table of data. This is followed by the vertical line test and using graphs to solve equations and inequalities.

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**Subject(s):**- Mathematics
- Mathematics > Algebra

**Educational Level(s):**- College & Beyond

**Instructional Component Type(s):**- Curriculum: Lesson Plan

- From: San Diego Area Knowledge Exchange for Developmental Math (SAKE)
- Contributed By: SAKE Owner SAKE Owner

The lesson begins with graphs of the Dow Jones Industrial Average and water levels of Lake Huron where points on the graph are interpreted. Intervals of increase and maxima are introduced before the graph of F(x) = sqrt (x+4) is completed by first generating a table of data. This is followed by the vertical line test and using graphs to solve equations and inequalities.