Big Ideas Math Algebra 1, 2015
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Big Ideas Math Algebra 1, 2015 View details
7. Piecewise Functions
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Exercise 39 Page 223

Practice makes perfect
We are asked to write the absolute value function as a piecewise function. Let's start by recalling that how we write the vertex form of an absolute value function, as a piecewise function.
Using this, let's identify the values for our function.