Question

s(x)=x-sinx 0≤x≤4pi
a) find the intervals of increase or decrease
b) find the local max and min values
c) find the intervals of concavity and the inflection points

Answer 1

Do you know how to start?

Answer 2

no

Answer 3

take the derivative, then check to see where it is positive and where it is negative
not to hard in this case

Answer 4

since \(s'(x)=1-\cos(x)\) and since \(|\cos(x)|\leq 1\) this sucker is never negative

Answer 5

What the Guru said ^