I suspect 4/2 should actually be 4/3, since 4/2 = 2, while 4/3 would make V the volume of a sphere with radius r. But I'll stick with what's given:





In Mathematica, you can check this result via
D[4/2*Pi*r^3, r]
The limit is equivalent to the value of the derivative of

at

. (See definition of derivative)
Answer:
the rabbit by 14 miles per hour
Step-by-step explanation:
The rabbit because if you subtract 35 from 21 it gives you 14
Answer:
8
Step-by-step explanation:
Electrons do not have FEET