Question

For the cost function in problem 2, find the value of x which minimized the average cost

Answer 1

@electrokid can u help?

Answer 2

take the average cost, and derivitive it

Answer 3

...not that im tryng to step on the electroids toes :)

Answer 4

enjoy, my friend. :)

Answer 5

this was it right?
\[avgCost =\frac{0.02x^2+20x+1800}{x}\]

Answer 6

avg'= (xC' - C)/x^2 , so essentially when xC' - C = 0

Answer 7

(0.02(2x^2)+20x)-(0.02x^2+20x+1800)=0

Answer 8

yes

Answer 9

okay i see thanks!