If you could post solutions as to the answers and how you got them that would be MUCH! appreciated.

1. dy/dx of y = (3x^2 + 1) / (2x^2 -1)

2. dP/dv of P = (AB/V^2) - (C/V)

3. What is the formula for the instantaneous rate of change at [ t, f(t) ] ?

Thanks a bunch guys!