Answer:
i have a big explanation that i cant write it here so you should look for someone else if you need a compact one cuz this is brief but it worth it to get points :)
Explanation:
It's basically because people have different ideas and wishes on what to be,they have different opinions on which is better and which isn't the best. Teaching may be people's tea but doctors,engineers,football players,basketball players,why?,even carpenters are people's tea.its not just teaching which is a profession.there are many professions even fashion designers can be some peoples dream and even police officers can be some people's dream it could be anything!
Dx/dt=3
y=3x^3-2x
dy/dt=(9x^2)(dx/dt)-2(dx/dt)
When x= -2
dy/dt=(9(-2)^2)(3)-2(3)
=36(3)-6
=102
