Question

Which is f, f1, f2, f3? using derivatives?http://www.webassign.net/scalcet7/2-8-044.gif

Answer 1

d, c, b, a
f=d
f1=c
f2=b
f3=a

Answer 2

i.e
a is the plot of the derivative of b
b is the plot of the derivative of c
c is the plot of the derivative of d