Posted by **Shreya** on Tuesday, January 10, 2012 at 8:56pm.

write the following absolute value functions as piecewise functions.

i really not get how to do this

f(x) = |x|

i think im supposed to state as positive and negative but i not even know what that x means. i only guessing and saying that for positive it be a positive x and for negative it be a negative x.

this one is harder

g(x) = |x+1|

is this part of formula y = a|x-p|+1 so that mean that x+1 is negative horizontal translation and we need to make it positive going |x-1|

and for negative it be |x+1|

- math-calculus -
**Steve**, Tuesday, January 10, 2012 at 11:59pm
|N| = N if N >=0

|N| = -N if N < 0

f(x) = |x| =

x if x >= 0

-x if x < 0

g(x) = |x+1| =

x+1 if x+1 >= 0 (that is, if x >= -1)

-(x+1) if x+1 < 0

- math-calculus -
**Shreya**, Wednesday, January 11, 2012 at 10:31am
thanks very much steve :)

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