Which function is shown on the graph? A. f(x)=1/2cos x

B. f(x)=1/2sin x

C. f(x)=-1/2cos x

D. f(x)=-1/2sin x

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28