Let f(x) = 2x - 7 and g(x) = -6x - 3. find f(x) + g(x) and state its domain.

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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?