Chapter 1 Flashcards

1
Q

F(x) increases or decreases without bound as x approaches c

A

DNE

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2
Q

F(x) oscillates between two fixed values as x approaches c

A

DNE

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3
Q

F(c) does not equal the limit at f(c)

A

The limit does exist

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4
Q

Constant functions

A

Continuous over domain

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5
Q

Polynomial function

A

Continuous over domain

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6
Q

Rational Function

A

Continuous over domain

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7
Q

Radical Functions

A

Continuous over domain

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8
Q

Trig Functions

A

Continuous over domain

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9
Q

Let c be a real number and f(x)=g(x) for all x ≠ c in an open interval containing c. If lim as x approaches c g(x) exists, then…

A

then lim of f(x) as x approaches c has that same value.

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10
Q

Lim as x approaches 0 sin x/x=

A

=1

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11
Q

Lim as x approaches 0 1-cos x/x=

A

=0

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12
Q

Removable discontinuity

A

Holes

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13
Q

Nonremovable discontinuity

A

Asymptotes

Piecewise

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14
Q

A function is continuous on x=c on the closed interval [a,b] if

A

If it is continuous on the open interval (a,b) and lim as x approaches c from the left and right is equal with f(c)

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15
Q

If f is continuous on the closed interval [a,b] and k is any number between f(a) and f(b), then

A

Then there is at least one number c in [a,b] such that f(c)=k

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16
Q

Vertical Asymptotes

A

Factors on the denominators that are not repeated on the numerator

17
Q

Given that lim as x approaches c f(x)=∞ and lim as x approaches c g(x)=L

Lim as x approaches c f(x) + g(x)=

A

∞ (DNE)

18
Q

F(x) approached a different value from the left and right side of c

A

DNE

19
Q

Given that lim as x approaches c f(x)=∞ and lim as x approaches c g(x)=L

Lim as x approaches c f(x) · g(x)=

A

∞, L > 0 (DNE)

20
Q

Given that lim as x approaches c f(x)=∞ and lim as x approaches c g(x)=L

Lim as x approaches c f(x) · g(x) =

A

-∞, L

21
Q

Given that lim as x approaches c f(x)=∞ and lim as x approaches c g(x)=L

Lim as x approaches c g(x)/f(x)=

A

0

22
Q

∞/∞

A

Indeterminate form

23
Q

0/0

A

Indeterminate form

24
Q

Degree of numerator and denominator is the same

A

HA at y= (ratio of leading coefficients)

25
Q

Degree of denominator is larger

A

HA at y=0

26
Q

Degree of numerator is larger

A

No HA

27
Q

If r is a positive rational number and c is any real number then,

Lim as x approaches ∞ c/x^r=

A

0

28
Q

If r is a positive rational number and c is any real number then,

Lim as x approaches -∞ c/x^r=

A

0