1.

Let f(x)={:{(x^(2)-4x+3",",x lt 3,),(x-4,x ge 3,):} and g(x)={:{(x-3",",x lt 4),(x^(2)+2x+2,x ge 4):} . Then which of the following is/are true ?

Answer»

`(f+G)(3.5)=0`
`f(g(3))=3`
`(fg)(2)=1`
`(f-g)(4)=0`

Answer :A::B::C


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