This is algebra 1 9th grade

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano