Yeh I know I posted quite a bit over last several hours, however I have one last question. My teacher wants me to look at the graphing calculator to find the range. Can you all please help me. What is the easiest way to go about doing this and what am I too look for? Are there any rules, ect.? Thanks for all you help.
Ok so correct me if I'm wrong ,but from what I can tell in looking at the picture you want to see how the range correlates to domain. When looking up and over on the picture if you see a juncture where there is no correlation and a space then the range has stopped. Then as you progress even further upward on the graph the range picks back up from the end of the juncture and keeps going untill it makes another evasive stop. Is this correct?
Thanks
Take a ruler and move it horizontally. The lines for which it does not intersect the curve are not in the range. For example for any point the ruler will intersect at least once. For any point the ruler shall intersect at least once. But for it does not intersect (though it gets close to it).
The answer is simple, because for we have,
The only way this can be zero is when the numerator is zero which it is not, so no value of in the domain makes this statement true.