Let f(x) = √x and g(x) = x be two functions over the set of negative real numbers. find (f+g)x ,(f-g)x , (fg)x , (f/g)x .

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Can someone explain to me how to do