Question

Help!! I don't know what to do with the square root

Answer 1

Answer:

$\sqrt{10}$

Step-by-step explanation:

$g(4) = \sqrt{(4)^2 - (4) - 2} \\\\g(4) = \sqrt{16 - 4 - 2} \\\\g(4) = \sqrt{16 - 6} \\\\g(4) = \sqrt{10}$

You can't simplify this anymore

Hope this helps! : )