What is the equation for first principle?
f(x) lim h–>0 f(x+h) - f(x)
—————-
h
How can you write the rate of change of y with respect to x?
dy/dx
What does it mean if its a maximum point?
d^2y/dx^2 < 0 its a maximum point
What does it mean if its a minimum point?
d^2y/dx^2 >0 minimum point