What is the instantaneous rate of change of #f(x)=-2x^3+5 x^2-x # at #x=2#?
1 Answer
Aug 13, 2016
Explanation:
The
#color(blue)"instantaneous rate of change" # is the value of f'(2)
#rArrf'(x)=-6x^2+10x-1#
#rArrf'(2)=-6(2)^2+10(2)-1=-24+20-1=-5#
