Question

if f ratio r will be r be given by f(x)=(3-x)*2 then for (x)=?
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Answer 1

Answer:

f(x) = (3-x)² .

fof = f(f(x)) = { 3 - (3 - x)²}² =

{ 3 - 9 - x² + 6x }² = ( x² - 6x + 6 )²