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
I will send you a hopefully helpful link. https://www.ncdc.noaa.gov/sotc/national/201403
Answer: Distance around a circle
are you in college?
Answer:4y
Step-by-step explanation: