Question

please help!
what is the domain and range for x+2= square root of y?

Answer 1

domain is all real numbers
range i all numbers greater than 0

Answer 2

thank you. can you explain?

Answer 3

so, sqrt(y) = x+2 is the same as

y = (x + 2)^2

Answer 4

there are no numbers that cant be pluged into x, so the domain is all real numbers

Answer 5

but, you will only get positive numbers back, so the range is all real numbers greater than 0

Answer 6

thank you so much!

Answer 7

np