Let me retype my question above
How do I find the domain of y=(3-x)squareroot of x
Also how do I type up maths questions on this forum?
Hey! So first, I'll answer your Maths question. To find the domain of
We just need to consider which values of x are essentially 'not allowed'. Generally, to do this we just set whatever is in the square root to be greater than zero (noting that the square root of a negative number does not exist!). So, this one turns out the be easy; the (3-x) bit doesn't do anything, but the square root of x means that x must be greater than 0! In maths;
Not too difficult!
Now, to answer your second question, you started on the right track (using the LaTeX button in the toolbar). However, various functions have various codes attributable to them. Check out Rui's incredible guide
HERE to find out how to use it! I'm pretty shit at it, but Rui and Jamon are pros.
Jake