Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by  and the total cost function is given by  where x represents the number of boxes of computer chips produced. The total profit function,  is such that  Find 

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A. P(x) = -0.3x2 + 37x + 9
B. P(x) = 0.3x2 + 37x - 27
C. P(x) = 0.3x2 + 42x - 18
D. P(x) = -0.3x2 + 42x - 9

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Answer: D

Mathematics

Chooce the most reasonable metric measure.the altitude of a meteor

A. millimeter B. meter C. kilometer D. dekameter

Use unit ratios or conversion factors to change to the units indicated. Round to the nearest tenth, if necessary.6.3 yd to meters

A. 5.7 m B. 248.0 m C. 160.0 m D. 48.0 m

Solve the exponential equation. Leave the answer in exact form. Do not approximate.75x - 2 = 12

A. x =  - log 2
B. x = log 12 - 5 log 7 + log 2
C. x = 
D. x = 

Simplify. Assume that all variables represent positive real numbers.

A. 16x
B.
C.
D. x