Statistics

hii. I have a question about pdf and cdf.. I couldn't solve it
Please help me :/

1) the pdf of the random var. X is given by

f(x)= (3/8)(x+1)^2 if -1<x<1
0 if otherwise

Find the pdf of a) Y=1-X^2
b) Y=1-X^2 ifx<=0 and Y=1-X if x>0

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asked by Melike

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