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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
High school
Precalculus
Limits and continuity
Limits and continuity
Defining limits and using limit notation
Estimating limit values from graphs
Estimating limit values from tables
Determining limits using algebraic properties of limits: limit properties
Determining limits using algebraic properties of limits: direct substitution
Determining limits using algebraic manipulation
Selecting procedures for determining limits
Determining limits using the squeeze theorem
Exploring types of discontinuities
Defining continuity at a point
Confirming continuity over an interval
Removing discontinuities
Connecting infinite limits and vertical asymptotes
Connecting limits at infinity and horizontal asymptotes
Working with the intermediate value theorem