The functions f and g are such that f(x) = 3x-2 and g(x)=x
Without looking neither for the composite function nor the inverse, find the values of
i) f-1(-7) ii) (g-1 o g)(8) iii)gf(2)-fg(2)

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

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?  

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?