Question

the limit as x approaches 5 from the left of |x-5|/x-5

??

Answer 1

as from LHS, |x-5| is positive but x-5 is positive too
its 1

Answer 2

huh

Answer 3

how did you get 1

Answer 4

i thought it would be -1

Answer 5

It's -1. The denominator is < 0.

Answer 6

Check: http://www.wolframalpha.com/input/?i=limit+%7Cx-5%7C%2F%28x-5%29

Answer 7

hm.. i was correct at first.. brain isnt functioning well :|

Answer 8

Yeah it would be -1, the top would be positive and the bottom negative which produces a negative number.

Answer 9

from the left of 5 would be 4.9 right?

Answer 10

4.9 or 4.99 or 4.9999999... whatever