Unit 2 Revision Exercise 3

 

 

Integration

 

 

1.         Express y in terms of x if                    and y passes through the point  (4,)     ( x > 0 )

 

 

2.         A curve has a derivative  

 

            Given that y passes through (8, 8) find the y coordinate when x = 1.

 

 

 

 

3.         Below is part of the curve   y = -3 + 4x – x2           Find the roots A and B, and use these to  help find the area bounded by the curve and the x – axis between x = 0 and x = B.

 

y

 

A

 

B

 

x

 
 


 

 

 


4.                   Below is part of the curve y = x3 – 6x2 + 12x – 7

 

a)                   Show that y has only one root and find this root.

b)                   Find the equation of the tangent to y at x = 3

c)                   Find the area bounded by the curve and the tangent at x = 3

           

y

 

x