The function shown is a natural log model. This model is found on the TI-84 under STAT > CALC > lnreg.[br][br]Move the sliders for a and b to find the effect of changing these parameters on the natural log model.

What is the effect on the graph of changing the value of a?[br][br]What is the effect on the graph of changing the value of b? In particular, what happens when b < 0? when b = 0?[br][br]What happens to the outputs as x gets close to 0? What happens to the outputs as x gets larger?