The total cost (in dollars) of producing x golf clubs per day is
given by the formula
C(x) = 450 + 110 x - 0.2 x^2.

(A) Find the marginal cost at a production level ofx golf clubs.

C'(x) =

(B) Find the marginal cost of producing 50 golf clubs.

Marginal cost for 50 clubs =

(A) Find the marginal cost at a production level of

(B) Find the marginal cost of producing 50 golf clubs.

Marginal cost for 50 clubs =

You can earn partial credit on this problem.