1.

Let f(x){:{(2x+a",",x ge -1),(bx^(2)+3,x lt -1):} and g(x)={:{(x+4",",0 le x le 4),(-3x-2,-2 lt x lt 0):} g(f(x)) is not defined if

Answer»

`a in (10, oo), B in (5, oo)`
`a in (4, 10), b in (5, oo)`
`a in (10, oo), b in (0, 1)`
`a in (4, 10) , b in (1, 5)`

Answer :A


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