Question

Using the following expression. Are there any values of x that makes the expression undefined? Explain your reasoning.

Answer 1

Explanation:

Yes, there are certain values of x that makes given expression undefined in the set of real numbers.

x + 2 ≤ 0 ⇒ x ≤ - 2

If x ∈ ( - ∞ , - 2 ] , given expression is undefined.

Answer 2

x=-2

Explanation:

If x was equaled to -2 the outcome would be infinity, does this help at all?