Solve.A drug testing company approves a new drug and has confirmed by independent research that the strength of the reaction to the drug is given by the formula 
where d is the dosage amount of the drug and ? is a constant. Find an equivalent expression for S by factoring out a common factor.
A. S = 
B. S = d2
C. S = d2
D. S = 
(? - d)
Answer: C
Mathematics
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Calculate the area of the surface S.S is the portion of the plane 8x + 8y + 5z = 1 that lies within the cylinder 
.
A. 
?
B. 
?
C. 
D. 
?
Mathematics
The number N, in millions, of Americans with Internet access t years after 1990 is modeled by the function
.
?
For what value of N is Internet access growing at the fastest rate? Round your answer to two decimal places, if necessary.
?
A. 
B. 
C. 
D. 
Mathematics
Tell whether the statement is true or false.{1, 6, 4, 7} = {4, 1, 6}
A. True B. False
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Solve the equation. Express radicals in simplest form.(2m - 1)2 = -81
A. {8, -10} B. {10, -8} C. ? D. {4, -5}
Mathematics