A dose, of a drug causes a temperature change, , in a patient. For a positive constant, is given by

.

(a) What is the rate of change of temperature change with respect to dose?

(b) For what doses does the temperature change increase as the dose increases?

I think I have this one correct as well, I'm just kind of fuzzy on this material, so I'd like some reassurance.

(a) This part is easy.

(b) This part I'm not too sure about.

Is this correct? Thanks.