00:01
So the daily production cost c is given by the following expression, the quadratic, or x is the number of units that are produced in that given day.
00:12
So notice here, we don't have to give a precise graph of c, but it's important to notice that since the leading coefficient is positive number, this is a problem that opens upward.
00:27
So more or less, we have something like this, and what we're trying to do is minimize cost, so we're trying to minimize the c value and that means that we want the vertex.
00:44
So the vertex will give us some point hk or k is the minimum cost and then this is the corresponding x value which gives the minimum cost.
01:08
So we're trying to figure out what value of x should we choose that minimizes the cost of our production.
01:16
So the x that we should use here is the x coordinate of the vertex.
01:32
Or if you would like, you could just call it h...