True or False? An exponential decay function represents a quantity that has a decreasing halving time.

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.