2. $\\lim_{x \\to 3} \\sqrt{2x + 4}$

Explanation:

Step1: Substitute (x = 3) into the function

$$\sqrt{2\times3 + 4}$$

Step2: Calculate the value inside the square - root

$$2\times3+4=6 + 4=10$$

Step3: Find the square - root of the result

$$\sqrt{10}$$

Answer:

(\sqrt{10})