How to determine the intervals that a function is.
Substitute a value from the interval into the derivative to determine if the function is increasing or decreasing. Tap for more steps. Replace the variable with in the expression.
Split into separate intervals around the values that make the derivative or undefined. Substitute a value from the interval into the derivative to determine if the function is increasing or decreasing.
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Answer to Use interval notation to write the intervals over which fis (a) increasing, (b) decreasing, and (c) constant. Part 1 of.
Start studying Describing Increasing and Decreasing Intervals of Quadratic Functions. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
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