MAT 112 - Calculus: Limits and Continuity
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Limit of a sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limiting sums . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Limit of a function at infinity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Limit at a point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Further examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Continuity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Continuity of piecewise-defined functions . . . . . . . . . . . . . . . . . . . . . . . . 16
Links forward . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Formal definition of a limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
The pinching theorem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Finding limits using areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
History and applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Paradoxes of the infinite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Pi as a limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Infinitesimals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Cauchy and Weierstrass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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APA
Consults, E. (2026). MAT 112 - Calculus: Limits and Continuity. Afribary. Retrieved June 14, 2026, from http://library.afribary.com/works/mat-112-calculus-limits-and-continuity
MLA
Consults, Education. "MAT 112 - Calculus: Limits and Continuity." Afribary, 7 Jun. 2026, http://library.afribary.com/works/mat-112-calculus-limits-and-continuity. Accessed June 14, 2026.
Chicago
Consults, Education. "MAT 112 - Calculus: Limits and Continuity." Afribary (2026). Accessed June 14, 2026. http://library.afribary.com/works/mat-112-calculus-limits-and-continuity