P(t)=500(1+4t/(50+t^2 ))
P'(t) = 500 [(50+t^2).4 - 4t.2t]/(50+t^2)^2
by the quotient rule
500 (-4t^2 + 200)/(t^2 + 50)^2
Hence
P'(2) = 500 . (-16 + 200)/54^2 ~= 31.6
Answer:
14 trees is less than 640 inches
Answer: 500 miles
Step-by-step explanation:
3/4=12/16
12/16 is greater than 11/16
Answer: 103/40, or 2 23/40 or, 2.575
Step-by-step explanation:
