Question 1133181


{{{S(t) = (3t + 1) / t^2}}}


(a) What is the domain of this function?

note: {{{t}}} is denominator; so, 

domain is { {{{t}}} element {{{R}}} : {{{t<>0}}} }

(b) Does the domain make practical sense, why or why not?

the domain does not make practical sense; {{{t}}} represents a {{{time}}}{{{ after}}} the incident follows, and since they feel  the pain immediately (in no time) {{{t=0}}} would make sense regarding pain