Solve the problem.A cancer patient undergoing chemotherapy is injected with a particular drug. The function 
gives the number of milligrams D of this drug that is in the patient's bloodstream h hours after the drug has been administered. How many milligrams of the drug were injected? To the nearest milligram, how much of the drug will be present after 2 hours?
Fill in the blank(s) with the appropriate word(s).
4 mg; 2 mg
Mathematics
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Find the product. Simplify before performing the multiplication.
? 0 ? 
A. 0
B. 
C. undefined
D. 
Mathematics
Find the real solutions of the equation by factoring.5x4 - 180x2 = 0
A. {-6, 0, 6}
B. {0}
C. {-6, 6}
D. {-6
, 0, 6
}
Mathematics
Find an equation for the line with the given properties.Perpendicular to the line y = -9; containing the point (1, 4)
A. y = 4 B. y = 1 C. x = 4 D. x = 1
Mathematics
Change the decimal into a proper fraction or mixed number. Simplify if necessary. 87.785
A. 
B. 17
C. 87
D. 175
Mathematics