Re: curve sketching[Solved!]
@phinah: Yikes! Thank you for pointing out the typo - you are totally correct.
I fixed...Murray 2017-11-03, 10:43

Re: Concavity[Solved!]
@Phinah: Please have another look at the definition of a point of inflection.
It's where the...Murray 2017-11-03, 10:21

Differential Equations

Re: Differential equation - has y^2[Pending...]
@Aage: This is actually a non-linear differential equation, which is beyond the scope of the...Murray 2017-10-20, 11:03

Re: A simple integration[Solved!]
For those wondering, zhanghui's earlier answer was correct, but it didn't show all the steps,...Murray 2017-09-26, 07:24

Re: Independent vs non-mutually exclusive[Solved!]
Hi Phinah
As it says in the solution for that question, it's not mutually exclusive because...Murray 2017-08-06, 05:28

Inequalities

Re: Inequalities[Pending...]
I worked it out by using the rational root, remainder, and factor theorems. Thank...phinah 2017-08-18, 03:30