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Continuity ​
Tags
Cegep1
Mathematics
Word count
186 words
Reading time
2 minutes
Quality of a function:
- At a point
if - Over an open interval if every point of the interval is continuous
- Over a closed interval if the open interval is continuous and the left / right endpoints are right / left continuous
Sidedness ​
Left continuity at
Right continuity at
Properties & theorems ​
is continuous at , where is any of addition, subtraction, multiplication or division (when = division, ), if and are continuous at is continuous at if is continuous at and is continuous at - Functions continuous over their domain:
- Polynomials
- Rational functions
- Root functions
- Trigonometric functions
- Inverse trigonometric functions
- Exponential functions
- Logarithmic functions
Evaluation ​
To find if