2. The price of chocolate is approximated by the polynomial function:
P(x) = 0.002x2 - 0.21x + 15
How much does it cost to buy 50 chocolates? 80 chocolates?
p(50) = .002(50)^2 - .21(50) + 15 = $9.50
p(80) = .002(80)^2 - .21(80) + 15 = $11.00