- #1

cham

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## Homework Statement

the distribution function: f(x)=

x + 1 when -1 < x ≤ 0

-x + 1 when 0 ≤ x < 1

0 otherwise

## Homework Equations

## The Attempt at a Solution

on the first interval i found (1/2)x

^{2}+x + c

on the second interval -(1/2)x

^{2}+ x + c

and when integrating the c's will cancel each other

now my math teacher found

on the first inervall f= (1/2)x

^{2}+x+1/2

on the second f=-(1/2)x

^{2}+ x +1/2

f=1 otherwise

now i want to know how did find that c=1/2 because we have to draw the graph

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