Polynomial function for Lua (outputs value based on a numbers table and an x value)

Polynomial function

local sum = 0
function polynomial(t, x)
--t is a table, x is the x value
	for i=1, #t do
		sum = sum+t[#t -i+1]*x^(i-1) --Travels in reverse through the table
	end
	return print(sum) --prints the result
end