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# 1.1 Introducing Calculus: Can Change Occur at An Instant?

Anusha Tekumulla

279Β resources
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## Limits

In AP Calculus, limits can be used to represent a constant change in functions. The rate of change of a function is equal to the formulas ΞY/ΞX or (Y2- Y1)/(X2-X1). While this formula may look scary, itβs actually just the slope formula. You may remember this as rise over run or the change in y over the change in x.Β πΊ So in short, yes, change can occur at an instant. As you get further along in the course, youβll learn about derivatives. Derivatives depend on limits and a derivative is the rate of change of a function at an instant, what weβll call βinstantaneous rate of change.β π
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π₯Unit 6 β Integration & Accumulation of Change
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