Final answer:
The value of √2+3 when x = 15 is 6.87.
Step-by-step explanation:
The value of √2+3 when x = 15 can be calculated by substituting the value of x into the equation. So, √2+3 when x = 15 becomes √(15)+3. Evaluating this expression yields a numerical result of approximately 6.87. Therefore, the value of √2+3 when x = 15 is 6.87.
Learn more about Evaluating an expression with a given value