Everything You Need to Know About Rates of Change (AP Precalculus 1.2 & 1.3)
AP Topics 1.2 to 1.3 Big Picture: Average rate = change between two points. Instantaneous rate = change at one point, approximated by tiny intervals. Linear functions = constant rate. Quadratic functions = changing rates but with a pattern. Concave up or down based on how average rates change!

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Average Rate of Change of a Function (Precalculus - College Algebra 11)

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Change in Tandem - AP Precalculus Topic 1.1

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Related Rates in Calculus

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