Question

What is the domain of function: T(x)= sqrt -x-3

Answer 1

@jim_thompson5910

Answer 2

you cannot have the square root of a negative number, so we have to force -x-3 to be nonnegative

in other words,

\[\Large -x-3 \ge 0\]

solve the above for x

Answer 3

x=3?? @jim_thompson5910

Answer 4

you'll get an inequality as some solution

Answer 5

so can you help me solve it.. I'm confused