Area(t) = Length * width
= L(t)*W(t)
=(t^2-sqrt(t))*(t^2-2t^(1/2))
..... Please check, w(t) does not seem to have been posted correctly
=t^4-3t^2*sqrt(t)+2t
Differentiate with respect to t:
Area'(t)
=4t^3-(15/2)t^(3/2)+2
Answer:
A
Step-by-step explanation:
20.00 * .15
.15 = 15 out of 100 = 15%
I hope it helps you get it right