If Then range of f(x) is
{-7/2,0,7/2}
{-2,0,2}
{-5/2,0,5/2}
{-1,0,1}
As we have learned
Signum Function -
- wherein
If
If
Option 1)
{-7/2,0,7/2}
Option 2)
{-2,0,2}
Option 3)
{-5/2,0,5/2}
Option 4)
{-1,0,1}
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