Write an explicit rule for the sequence.

a1=8, an=−5a(n−1)

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.

What is the area of the shaded sector?

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?