Domain and range

Question

For y =3/√x - 4, what are the domain and range?

(a) {x l x > 4} and {yl y > 0}

(b) {x l x ≥ 4} and {yl y > 0}

(c) {x l x > 4} and {yl y ≥ 0}

(d) {x l x ≥ 4} and {yl y ≥ 0

Answer 1

Hi Jennifer,

the video should give you some hints about how to choose an answer.