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Calculus 4.2

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Title: Calculus 4.2 Subject: Mean Value Theorem Author: Gregory Kelly Last modified by: Gregory Kelly Created Date: 10/17/2002 4:22:00 AM Document presentation format – PowerPoint PPT presentation

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Title: Calculus 4.2


1
Mean Value Theorem for Derivatives
4.2
Teddy Roosevelt National Park, North Dakota
2
Mean Value Theorem for Derivatives
3
Mean Value Theorem for Derivatives
Differentiable implies that the function is also
continuous.
4
Mean Value Theorem for Derivatives
Differentiable implies that the function is also
continuous.
The Mean Value Theorem only applies over a closed
interval.
5
Mean Value Theorem for Derivatives
6
Tangent parallel to chord.
Slope of tangent
Slope of chord
7
A couple of somewhat obvious definitions
8
These two functions have the same slope at any
value of x.
9
Example 6
Find the function whose derivative is
and whose graph passes through
.
so
10
Example 6
Find the function whose derivative is
and whose graph passes through
.
so
Notice that we had to have initial values to
determine the value of C.
11
The process of finding the original function from
the derivative is so important that it has a name
You will hear much more about antiderivatives in
the future.
This section is just an introduction.
12
Example 7b Find the velocity and position
equations for a downward acceleration of 9.8
m/sec2 and an initial velocity of 1 m/sec
downward.
(We let down be positive.)
Since acceleration is the derivative of velocity,
velocity must be the antiderivative of
acceleration.
13
Example 7b Find the velocity and position
equations for a downward acceleration of 9.8
m/sec2 and an initial velocity of 1 m/sec
downward.
The power rule in reverse Increase the exponent
by one and multiply by the reciprocal of the new
exponent.
Since velocity is the derivative of position,
position must be the antiderivative of velocity.
14
Example 7b Find the velocity and position
equations for a downward acceleration of 9.8
m/sec2 and an initial velocity of 1 m/sec
downward.
The initial position is zero at time zero.
p
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