Question

evaluate the function $f(x)=\sqrt{x + 1}$ for the given value of $x$. write the exact answer in simplified form. $f(3)=\square$

Explanation:

Step1: Substitute x=3 into f(x)

$f(3) = \sqrt{3 + 1}$

Step2: Simplify the radicand

$f(3) = \sqrt{4}$

Step3: Evaluate the square root

$f(3) = 2$

Answer:

2