Question

Choose the correct alternative:

The function `f(x) = {{:((x^2 - 1)/(x^3 + 1), x ≠ - 1),("P", x = -1):}` is not defined for x = −1. The value of f(−1) so that the function extended by this value is continuous is

Options

• `2/3`

• `- 2/3`

• 1

• 0

Answer 1

`- 2/3`