Question

How can help me pls I need help

Answer 1

`\lim_(x \to 2^-) x^3=2^3=\boxed8\\  \lim_(x \to 2^+) 3x-4=3\cdot 2-4=6-4=\boxed2`

`\lim_(x \to 2) f(x)` does not exist

Explanation:

Inserting 2 to both formulas, you get different results. In that cases, a limit does not exist