Question

find the domain of the function f(x)=9/sqrt. x+5

Answer 1

denominator cant be zero

Answer 2

ok its not

Answer 3

when is sqrt x + 5 zero?

Answer 4

f(x)=9/ sqrt. x+5

Answer 5

x+5 can't be negative

Answer 6

yepp, that too

Answer 7

it is not negative i typed it the way it shows

Answer 8

this precalculus is hard

Answer 9

if you mean sqrt(x+5) then as i said previously there's no square root of a negative number since X can be any real number you need to excluse any X for which x+5 is negative

Answer 10

so for any x that's less or equal to -5 this function is not defined

Answer 11

so my answer would be undefined

Answer 12

nah it 'd be \[(5,\infty)\]