EOCT Review

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EOCT Review

• Absolute Value
• Piecewise Functions

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Absolute Value
Absolute value is defined as the distance from
zero. It can never be negative.
Other examples of absolute value
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Solving Absolute Value Equations

• We need to split the equation into a positive and
  a negative expression

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Practice Problems
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Answers

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Solving Absolute Value Inequalities

• We need to flip the inequality when solving for
  the negative.

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Practice Problems
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Answers

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Evaluating Piecewise Functions

• Piecewise functions are defined by at least two
  equations, each of which has a specific domain

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Solving piecewise functions
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Points of Discontinuity

• With piecewise functions, we have what are called
  points of discontinuity. These are the points
  where the function either jumps up or down or
  where the function has a hole. The function
  below has a discontinuity at 1.

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Points of Discontinuity
This step function has points of discontinuity
at1, 2 and 3.
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Practice Problem
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Answers

The point of discontinuity occurs at x 1.