2 Answers

Niels Brinch · Answer 1 · 2021-08-20T17:15:07+0000

g(x) = √(x - 4)

h(x) = 2x - 8

g x h =
√(x-4).(2x-8)

Looking at the equation we know that there's no way to have a negative root, so we need x - 4 to be greater than or equal to 0

$x - 4 \geq 0$

$x \geq 4$

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