Integration with Chain Rule

Practice

5.1 a) Find the area under picture.
       picture 
       picture 
       picture 
       picture 
       picture

b)   Find the average y-value for picture 
       picture 
       picture

c)   Find the x-value on picture 
       picturepicture 
       picture 
       picture

5.2   Let  picture

a)   Find F(8)
       picture 
       picture 
       picture 
       picture 
       picture

b)   Find F`(x)
       picture 
       picture 
       picture 
       picture is just a constant so picture 

       picture 
       This is the fundamental theorem of calculus

c)   Find F`(8)
       picture
       picture
       picture

Calculate each indefinite integral.

5.3   picture
       picture

5.4   picture
       picture

5.5   picture 
       picture        picture
       picture 
       picture
       picture

5.6   picture
       picture               picture
       picture 
       picture 
       picture

5.7   picture
       picture

5.8   picture
       picture               picture
       picture 
       picture 
       picture

5.9   picture
       picture 
       picture 
       picture
       picture, trig identity
       picture

5.10  picture 
       picture               picture
       picture 
       picture 
       picture 
       picture

Evaluate each definite integral:

5.11  picture
       picture 
       picture 
       picture 
       picture 
       picture

5.12  picture
       picture 
       picture 
       picture 
       picture 
       picture 
       picture

5.13  picture 
       picture 
       picture 
       picture 
       picture 
       picture 
       picture

5.14  picture 
       picture 
       picture 
       picture  
       picture 
       picture

5.15  picture
       picture 
       picture 
       picture 
       picture 
       picture 
       picture

5.16 a) Find the area under picture 
       picture 
       picture 
       picture 
       picture 
       picture

b)   Estimate the area using a trapezoidal Riemann sum with four intervals.

x

y-left (b1)

y-right (b2)

Δx

Areapicture    

0 – 1

0

1.25

1

1.125

1 – 2 

1.25

2

1

1.625

2 – 3

2

3.25

1

2.625

3 – 4 

3.25

5

1

4.125

So the Riemann sum:
picture 
picture

c)   Why is the estimate an overestimate?
       The graph is concave up.