Make a large sketch of the curve described by the vector function r(t)=<t^2, t >, 0 less than equal to 2, and draw the vectors r(1), r(1.1), andr(1.1)-r(1).

Answer 1

come on -- it's just a plot in 2D -- x = y^2
This is Algebra I !
Where do you have trouble?
The vector u-v is the vector from the tip of v to the tip of u, because
v + (u-v) = u