Solve the problem.Assume the total revenue from the sale of x items is given by  while the total cost to produce x items is  Find the approximate number of items that should be manufactured so that profit,  is maximum.

A. 51 items
B. 172 items
C. 208 items
D. 136 items


Answer: D

Mathematics

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Calculate how many times more intense an earthquake with a Richter number of 8.1 is than an earthquake with a Richter number of 6.9. Please round the answer to the whole number. 

A. 21 B. 24 C. 16 D. 26 E. 18

Mathematics

Perform the indicated operation.v = -4i + 6j + 3k  and  w = 6i - 2j + 3kFind 3v + 4w.

A. 12i + 10j + 21k B. 2i + 4j + 6k C. 20i - 2j + 15k D. -6i + 16j + 12k

Mathematics

Solve the formula for the specified variable.P = s1 + s2 + s3  for s3

A. s3 = P - s1 - s2 B. s3 = P + s1 + s2 C. s3 = s1 + P - s2 D. s3 = s1 + s2 - P 

Mathematics

A polynomial P(x) and a divisor d(x) are given. Use long division to find the quotient Q(x) and the remainder R(x) when P(x) is divided by d(x), and express P(x) in the form d(x)? Q(x) + R(x).P(x) = 2x3 + x2 - 3x + 2d(x) = x + 3

A. (x + 3)(2x2 - 5x + 12) - 34 B. (x + 3)(2x2 + 7x + 6) + 8 C. (x + 3)(2x2 - 5x + 12) + 34 D. (x + 3)(2x2 - 5x - 12) - 34

Mathematics