Hi i got problem with solving number 47
My progress: i simplify to x^2-1
Last edited by Petrus; February 5th 2013 at 03:26 AM.
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Whenever you deal with absolute values, it helps to write it as its hybrid function form...
What u mean with hybrid function form?
lx-1l x if>_1 and -x if x<1 i cant se a point
So approaching from the left (where ) your function will be . Simplify and subsitute x = 1 to find the left hand limit.
What do you think you would have to do for the right hand limit?
(X^2-1)/(x-1) with other words if we factor ((x-1)(x+1))/(x-1) so we got -2 from left and 2 for right? I am correct?
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