Question

what is the domain f(x) =√x+2?
a. all real numbers

b.all real numbers greater than or equal to 0

c. all real numbers greater than or equal to 2

d.all real numbers greater than 0

Answer 1

maybe d im not sure

Answer 2

\[\sqrt {x+2} \space or \space \sqrt x + 2\]

Answer 3

so c?

Answer 4

no, whatever's in the square root must be > = 0

Answer 5

so b or d right?

Answer 6

option b

Answer 7

thank you guys