Rosie's Palm Pirates, a manufacturer of electronic organizers, estimates that when x hundred Palm Pirates are made, the average cost per unit is given by C(x) = 0.4x^2 -3.68x+9.524, where C is in hundreds of dollars. What is the minimum cost per unit?

Question

is the answer $ 10.60

Answer 1

I get C(x) = 1.06, which makes the cost $106, since C is in hundreds of dollars.

Answer 2

I forgot to move the decimal one more place.