Solve the problem.Suppose that the change in pressure of the oil in a reservoir can be approximated by: P(x) = x3 - 18x2 + 81x where x is time in years from the date of the first reading. This function is valid for 
By sketching a graph of P(x), estimate during what time period the change in pressure is decreasing.
A. In years 5 to 9
B. In years 0 to 9
C. In years 3 to 9
D. In years 0 to 3
Answer: C
Mathematics
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Solve.A doctor's instructions for administering a drug to a patient requires a volume of 12 cc's (cm3). However, the patient only has a measuring spoon marked in milliliters (ml). How many ml need to be measured out to get the appropriate amount of the drug?
A. 1,200 ml B. 0.0012 ml C. 12 ml D. 11 ml
Mathematics
Insert <, >, or = between the pair of numbers to form a true statement.
4.749
A. > B. = C. <
Mathematics
Solve the equation by factoring.x2 - 6x + 5 = 0
A. {1, 5} B. {-1, -5} C. {-1, 5} D. {1, -5}
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics