What is the value of f(3) in the function below? F(x)=1/4•2^x
A. 4
B.3/2
C. 8
D. 2

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.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Me d is also an option but i couldn't get it in the picture