Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
A. 21
B. 
C. 
D. 
Answer: C
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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).
Write the expression in the standard form a + bi.If w = 9 + 2i, evaluate w - 
.
A. 18 B. 4i C. -18 + 4i D. 0
Solve the problem.The rate of growth of a microbe population is given by 
where x is time in days. What is the growth after 1 day?
A. 62.52 B. 62.92 C. 55.42 D. 110.84
Use the position equation 
, where 
represents the height of an object (in feet),
src="https://sciemce.com/media/2/ppg__cognero__Section_1.8_Other_Types_of_Inequalities__media__6c9650ef-8a51-4671-a136-f8c84fc92564.PNG" style="vertical-align:middle;" /> represents the initial velocity of the object (in feet per second), 
represents the initial height of the object (in feet), and t represents the time (in seconds).
A projectile is fired straight upward from ground level 
with an initial velocity of 176 feet per second. At what instant will it be back at ground level?
?
A. 
Sec
B. 
Sec
C. 
Sec
D. 
Sec
E. 
Sec