What is the domain of the function y = the square root of x + 4?

Question

asked Jan 13, 2019 143k views

2 Answers

Mary Turkina · Answer 1 · 2019-01-20T02:08:46+0000

Answer:

Explanation:

Domain means all the values of x which are defined for the given function .

using the concept that we can only have positive values inside a square root we get a condition that

$x+4 \geq 0$

This simplifies to
$x\geq -4$

so domain os this function is [-4, 00)