ISI B.Math Entrance(6)

Algebra Level 4

Find the number of discontinuities in the function \(f(x)=(x+1)\text{sgn }(x^2-1)\), where \(f: \mathbb R \to \mathbb R\), where \(\mathbb R\) is the set of all real numbers.

\[\]

Notation: \(\text{sgn }(\cdot) \) denotes the sign function.

×

Problem Loading...

Note Loading...

Set Loading...