Help me please this is due in 3 hour's

What are the domain and range of the function? f(x) = -4 (sqrt)x

Arandom number generator is used to model the patterns of animals in the wild this type of study is called

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]