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Let g(x)=x^(2)-4x-5 then...

Let `g(x)=x^(2)-4x-5` then

A

g is one-one on R

B

g is one-one on `(-oo,2)`

C

g is not one-one on `(-oo,4)`

D

None of the above

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The correct Answer is:
B
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