how that the given transformationfrom 2 to 2 is linear by showing that it is a matrixtransformation.17. D stretches a vector by a factor of 2 in the x-componentand a factor of 3 in the y-component.

L16 - 2 If s = f(t)ihepsinfapailmoigi aait line, then ex. Suppose the position of a particle is given by s = f(t)=2 t − 15t +22 4 t, where t is measured in seconds and s in feet. a) Find the velocity of the particle at any time t. b) Find the velocity at t =3s ons. c) When is the particle at rest d) When is the particle moving in a positive direction