Ȋn excursia ei prin Transilvania, Maria a ȋmpărţit cele 10 zile de oprire direct proporţional cu numărul colegelor vizitate.Ştiind că la Sibiu a vizitat trei colege şi la Cluj doar două, aflaţi câte zile a stat Maria ȋn Sibiu.

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?