Question

Need help!!
At a small clothing company, the estimated average cost function for producing a new line of T-shirts is C(x)= x^2-4x+20/x, where x is the number of T-shirts produced, in thousands. C(x) is measured in dollars.
a) Calculate the average cost of a T-shirt at a production level of 3000 pairs.
b) Estimate the rate at which the average cost is changing at a production level of 3000 T-shirts.

Answer 1

Plz help me

Answer 2

@dtan5457

Answer 3

@dan815