1. What equation represents the following graph? need help asap !!!
(image attached goes w this one)

2. The graph of y=tan⁡x is stretched vertically by a factor of 4 and compressed horizontally to have a period of π/3. What is the equation of the new graph?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?