<p>Looks like I'm not the only one having trouble with limits today, eh aerodynamics? </p>
<p>haha well anyways, I think my problem is a bit more confusing, I just don't understand where to start.</p>
<p>f(x) = x^2-1 for x < 0
2 for X greater than or equal to 0</p>
<p>d=-5</p>
<p>Write teh word or phrase that best compltes each statement or answers the question. Evaluate or determine that the limit does not exist for each of the limits
(a) lim (as x approaches d from the negative side)
(b) lim (as x approaces d from the positive side)
(c) as x approaches D</p>
<p>Well, all you need to do is evaluate the limit of f(x) as x approaches -5 (which is d). Since f(x) is continuous at -5, all you need to do is plug in -5 into f(x) because the limit from the left (what you call the negative side) is the same as the limit from the right (what you call the positive side) which is the same as the limit as x approaches -5.</p>
<p>So, because -5<0, you use x^2-1. ((-5)^2)-1=25-1=24</p>
<p>This seems a bit too easy. There may be a trick that I might be missing.</p>
<p>^This is correct. I think the “trick” is that the function is defined differently for x>0 and x<0, but you should remember that this doesn’t matter. All that matters is what happens in the function right around x=-5.</p>
<p>^This. It is just useless information to throw you off. If you don’t know what a piecewise function is, picture it like you’re putting together two different functions, each covering a different range of x-values. For x < 0, the function is x^2-1. For x > 0, the function is 2. You just combine the two, and you get a parabola when x < 0, which abruptly becomes a horizontal line at x > 0.</p>
<p>you shut the fack up. I just don’t see how a person can pass high school math and be good enough at math to take calc in high school when they can’t even figure out this question jeez.</p>
<p>^who are you to determine that? You think you’ve got his high school mathematical career figured out by this just one question? you’re wrong as hell. And no one cares about your opinion so go the fack away cocky ass piece of ****.</p>
<p>Hey fack you, I don’t know how his high school math career is but if this guy was able to pass all of his high school math classes leading up to calc and not understand this question then it just shows that his classes were really easy and that this guy just sucks at math and will probably fail this exam. I mean you know what f(x) is for x less than 0 and they are asking you what it approachs at a point less than zero. Not much to understand there. And also your opinion is just as worthless as mine so shut the fack up.</p>