Question

Please Help with a Limit Problem . Will Give a Medal

Answer 1

Where are you stuck?

Answer 2

I dont know how to do the problem. I dont know where to start. Its a little confusing

Answer 3

ok, tell me what does \(1^-\) mean?

Answer 4

negative 1?

Answer 5

nope, negative 1 is -1, not \(1^-\)
Look up at your note. It is easy. I can tell you what it means but I want YOU to look it up to master the concept. Please, do it.

Answer 6

x approaching 1-

Answer 7

x approaches 1 from the left

Answer 8

now, to your problem, if x <1 , f(x) =??

Answer 9

4-x

Answer 10

yup, hence lim (4-x) = 4-1 =??

Answer 11

you lost me

Answer 12

why? you don't know 4-1= ?

Answer 13

oh 3 so you just plug it in