Find the domain of the vector function r(t)=<t2,t+2,5t>\displaystyle \vec{{r}}{\left({t}\right)}=<{t}^{{2}},\sqrt{{{t}+{2}}},\sqrt{{{5}-{t}}}>

Domain: {t\displaystyle {\left\lbrace{t}{\mid}\right.} t\displaystyle \le{t}\le }\displaystyle {\rbrace}