Answer:
point? this question could have many answers
The question isn't very clear to me but i'll try it out.
B-2=1
B=1+2
B=3
HOPE I HELPED!!!
Answer:
they weight 6000 gram .............
This just wants the derivative which you can solve for.
You can do this using a negative expononet or using ...the rational rule forget its name*.... you shoudl get 9000/(t+12)^2
*Quotient rule