A particle moves along the curve y= 15/(x² +1.3ˣ) for x>0. The x-coordinate of the particle changes at a constant rate of 3unit spersecond. At the instant when the y-coordinate of the particle is 2, what is the rate of change of the y-coordinate of the particle, in units per second? a. -0.466 b. -0.787 c. -1.397 d. -4.190
