R=-1/800(x^2-2400x)
use R'=0
R'=1/400x-300, 1/400x=300 => x=1200 critical point
take R(1200), we know its max bcuz of the orientation of R
Answer:3
Step-by-step explanation:
The answer is 5/12 ! Because there are 12 shirts in total and 5 black shirts so there is a 5 out of 12 chance that he would wear a black t-shirt.
Answer: -9
Step-by-step explanation:
The answer would be -11,661. This can be found by multiplying 36 and 9 then multiplying that by 36. You'd then subttact that answer to 3. I hope this helps.