Match the vector field with its graph. F(x,y) = yi? I tried drawing my own graph and got something other than the answer choices
1 Answer
Jul 28, 2018
Immediately, you can tell that vector
That eliminates everything but the bottom left-hand option
Plus, mathematically, the
So, from there, maybe just plug in some values:
-
#bbF(x,1) = bbi qquad bbF(x,2) = 2bbi# -
#bbF(x,-1) = - bbi qquad bbF(x,-2) = - 2bbi#
That bottom left-hand option looks even more interesting.
In terms of yer confusion , don't count the number of arrows, compare the length of arrows. Arrow length is increasing linearly