How to find instantaneous rate of change for y(x)=1/(x+2) at x=2?
1 Answer
Feb 21, 2017
Explanation:
The instantaneous rate of change of y(x) at x = 2 is y'(2)
"Express "y(x)=1/(x+2)=(x+2)^-1 differentiate using the
color(blue)"chain rule"
rArry'(x)=-(x+2)^-2 .d/dx(x+2)
rArry'(x)=-(x+2)^-2=-1/(x+2)^2
rArry'(2)=-1/(4)^2=-1/16
