Question

A person started traveling at a point with coordinates (3, 3) and arrived at the point with coordinates (4, 8). If he began walking in the direction of the vector v=3i+1j and changes direction only once, when he turns at a right angle, what are the coordinates of the point where he makes the turn.

Answer 1

Have to love Calculus :)

Answer 2

hah, yes, I'm so lost with all this stuff.