So, this one, what is it? Are they talking about h? Are they talking about h prime? If they're saying that h prime is above the x-axis when x is greater than zero, then that would be a good answer, but this is just, you know, what is above the x-axis and over what interval? So, I would actually, let's scroll down a little bit. This looks like a good thing for the teacher to write. Please use more precise language.