ap review time babyyyyy Flashcards

1
Q

define extreme value theorem

A

if a function is continuous on the CLOSED INTERVAL [a, b] then x must attain a maximum AND a minimum at least once

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2
Q

if a function is differentiable it is also…..

A

continuous!

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3
Q

if a function is differentiable it is also…..

A

.

continuous

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4
Q

if a function is differentiable it is also…..

A

CONTINUOUS

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5
Q

if a function is differentiable it is also…..

A

CONTINUOUS PLZ PLZ JUSTIFY THIS ON LITERALLY ANY FRQ WHERE ITS LIKE “explain how you got here”

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6
Q

define intermediate value theorem

A

if function is continuous on a CLOSED INTERVAL [a, b] then f(x) must take all all values between f(a) and f(b) within that interval

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7
Q

evt, ivt, and mvt all require…..

A

continuity on a CLOSED interval (but mvt requires also differentiability on the OPEN interval)

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8
Q

symbol for therefore (on frq’s)

A

the trinity of dots (one dot top, two at bottom)

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9
Q

mean value theorem

A

if f is continuous on the CLOSED interval [a, b] and DIFFERENTIABLE on the OPEN interval (a, b), then there is a point on w/in that open interval which the tangent line is equal to the secant line/avg rate of change of the ENDPOINTS

f’(c) = ( f(b) - f(a) ) / ( b-a )

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10
Q

to find the limit of ANYTHING, it must be….

A
  1. continuous OR continuous by being differentiable
  2. that’s, like, it
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11
Q

linear approxmiation equation

A

L(x) = f(a) + f’(a)(x-a)

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12
Q

rolles theorem

A

essentially mvt but with f(a) = f(b) and f’(c) = 0 (horizontal)

if f is continuous on [a, b] and differentiable on (a, b) where f(a) = f(b), there must be a point with that Gucci nice horizontal tangent line

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13
Q

what equation does “the rate of change of a quantity is directly proportional to the size of the quantity” mean?

A

dy/dx = constant * y, or the differential equation for EXPONENTIAL growth

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14
Q

what is the equation for “the rate of change of a volume over time is proportional to the reciprocal of the cube of the volume”?

A

break it up into terms,

dv/dt is proportional to 1/v^3

and as all rates of change need some constant, whether it be 1 or anything else,

dv/dt = 1/v^3 * k
or
dv/dt = k/v^3

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15
Q
A
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