What is differentiate overt?

its your mom

An overt observation in when a participant knows that they are being observed and the purpose behind the observation. This method of observation means that participants can be followed to different...

The derivative with respect to x of any term in this format: axn is equal to: nax(n -1) so in the case of x2, the answer will be: 2x(2 - 1) = 2x1 = 2x

Something plainly obvious , or no attempt at hiding it .

When something is overt, it is made obvious. Overt discrimination would be something like saying, "If you are such-and-such a person, you can't vote in this election." Or a water fountain with a sign...