## anonymous 5 years ago dtermine the domain and range of the following relation. y=square x-7

1. anonymous

Range is greater then or equal to -7 Domain is all real numbers

2. anonymous

do you mean y=sqrt(x-7) (square root)

3. anonymous

Oh I didn't think of that Kizzy, can you rewrite the question using the equation mode

4. anonymous

y=$y=\sqrt{x-7}$sqrt{x-7}\]

5. anonymous

then the range is greater than or equal to 0 and the domain is x greater than or equal to 7

6. anonymous

square root is positive, and the inside of the square root need to be positive if we're dealing with real numbers

7. anonymous

Yes that is right Originally I thought you meant $Y = \sqrt{X} -7$

8. anonymous

yeah parenthesis are important