The cost for coal from a certain company is \$15 for the first pound plus \$6 for each additional pound of coal. Which of the following functions gives the total cost, in dollars, for p pounds of coal?
(A)\(C(p) = 6p - 15\) (B)\(C(p) = 6p - 9\) (C)\(C(p) = 6p\) (D)\(C(p) = 6p + 9\) (E)\(C(p) = 6p + 15\)
D