Question 1207410
 When {{{x}}} is in the interval [{{{-8}}}, {{{4}}}], {{{-2x}}} will be in the interval [{{{-8(-2)}}}, {{{4(-2)}}}]=[{{{16}}}, {{{-8}}}]. 

so, the domain of {{{g(x) }}}[{{{16}}}, {{{-8}}}] in interval notation