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Integration Review Part I When you see the words… This is what you think of doing… A Riemann Sum equivalent to the definite integral is… - () b a f x dx 1 0 lim ( ) for a x b x f x x 1
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Integration Review Part I When you see the words This is what you think of doing A Riemann Sum equivalent to the definite integral is -- 1.

Jan 19, 2018

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Emery Stevenson

Integration Review Part I When you see the words… This is what you think of doing…  F (b) – F(a) where F’ = f 3
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Page 1: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

A Riemann Sum equivalent to the definite integral

is…

-

( )b

af x dx

10lim ( ) f or a x bx

f x x

1

Page 2: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is continuous and bounded on an interval containing x = a and

F’(x) = f(x) for all x in the interval

( ) ( ) , then...x

aF x f t dt

2

Page 3: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

F (b) – F(a) where F’ = f

( )b

af x dx

3

Page 4: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

-( )a

bf x dx

4

( )b

af x dx

Page 5: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

-

5

( )c

af x dx

( ) ( )b c

a bf x dx f x dx

Page 6: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

f(x)

6

( )x

a

d f t dtdx

Page 7: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

f( g(x) ) * g’(x)

7

( ) ( )g x

a

d f t dtdx

Page 8: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

0

8

( )a

af x dx

Page 9: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

Trapezoid Rule -

9

( )b

af x dx

0 1 2 1( 2 2 ... 2 )2 n nh y y y y y

Page 10: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is increasing on the interval [a,b], thena Left Riemann Sum (overestimates, underestimates) the true value of

Underestimates

10

( )b

af x dx

Page 11: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is decreasing on the interval [a,b], thena Left Riemann Sum (overestimates, underestimates) the true value of

Overestimates

11

( )b

af x dx

Page 12: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is increasing on the interval [a,b], thena Right Riemann Sum (overestimates, underestimates) the true value of

Overestimates

12

( )b

af x dx

Page 13: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is decreasing on the interval [a,b], thena Right Riemann Sum (overestimates, underestimates) the true value of

Underestimates

13

( )b

af x dx

Page 14: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is concave upward on the interval [a,b], then the Midpoint Riemann Sum (overestimates, underestimates) the true value of

Underestimates

14

( )b

af x dx

Page 15: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is concave downward on the interval [a,b], then the Midpoint Riemann Sum (overestimates, underestimates) the true value of

Overestimates

15

( )b

af x dx

Page 16: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is concave downward on the interval [a,b], then the Trapezoid Rule Sum (overestimates, underestimates) the true value of

Underestimates

16

( )b

af x dx

Page 17: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

If f is concave upward on the interval [a,b], then the Trapezoid Rule Sum (overestimates, underestimates) the true value of

Overestimates

17

( )b

af x dx

Page 18: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

Displacement (Integral)

.

18

( )b

av t dt

Page 19: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

.

19

nu du1

1nu C

n

Page 20: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

.

20

ue du ue C

Page 21: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

.

21

ue du ue C

Page 22: Integration Review Part I When you see the words This is what you think of doing  A Riemann Sum equivalent to the definite integral is -- 1.

Integration Review Part I

When you see the words… This is what you think of doing…

.

22

duu ln| |u C