Given f(x)=x^3+2x^2 and g(x)=3x^2-1,find the following and state their domains.
a)f+g
b)f-g
c)fg
d)f/g

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