M250

1/30/2012

 

A sample solution to an exercise from Section 12.1:

 

Exercise 12.1:55:

Let   . Find the points where the tangent has slope .

 

From  we have 

 

Slope of the tangent is    where  

 

Its value is given ( ), so: 

 

Solve for t:   .

 

So the assumptions are met () .

 

Find the point(s): .