Solve the Problem. -A Publishing Company Has Published a New Magazine for Young

Multiple Choice

Solve the problem.
-A publishing company has published a new magazine for young adults. The monthly sales S (in thousands) is given by where t is the number of months since the first issue was published. Find S(3) and S'(3) and
Interpret the results.

A) At three months, the monthly sales are $480,000 and increasing at 64,000 magazines per month.
B) At three months, the monthly sales are $480,000 and decreasing at 64,000 magazines per month.
C) At three months, the monthly sales are $2, 400,000 and increasing at 64,000 magazines per month.
D) At three months, the monthly sales are $2,400,000 and increasing at 800,000 magazines per month.