Suppose that C(x) is the number of dollars in the total cost of producing x tables (x 6) and $C ( x ) = 25 + 4 x + 18 x ^ { - 1 }$ . Find the marginal cost when $x = 15$ .
A)$3.72
B)$3.75
C)$3.79
D)$3.82
E)$3.89
F)$3.92
G)$3.97
H)$4.00

Question

Suppose that C(x) is the number of dollars in the total cost of producing x tables (x > 6) and $C ( x ) = 25 + 4 x + 18 x ^ { - 1 }$ . Find the marginal cost when $x = 15$ .
A)$3.72
B)$3.75
C)$3.79
D)$3.82
E)$3.89
F)$3.92
G)$3.97
H)$4.00

Quizplus · Accepted Answer

The Answer of Suppose that C(x) is the number of dollars in the total cost of producing x tables (x > 6) and $C ( x ) = 25 + 4 x + 18 x ^ { - 1 }$ . Find the marginal cost when $x = 15$ .
A)$3.72
B)$3.75
C)$3.79
D)$3.82
E)$3.89
F)$3.92
G)$3.97
H)$4.00

Suppose That C(x) Is the Number of Dollars in the Total