y=3x^3-2x, dx/dy =3
dy/dt= ? (when x=-2)
dy/dt= d/dt (3x^3 -2x)
= 9x^2(dx/dt) -2(dx/dt)
= 9(-2)^2 * 3 - (2*3)
= 9(4)*3 -6
= 102
Answer:
C
Step-by-step explanation:
Since it ends in 5 it is an odd number.
I believe the answer is 70