Solve the problem.The delivery of a drug (such as an antibiotic) through an intravenous line may be modeled by the differential equation 
where m(t) is the mass of the drug in the blood at time 
k is a constant that describes the rate at which the drug is absorbed, and I is the infusion rate. Let 
and 
For what initial values
src="https://sciemce.com/media/4/ppg__wesa0610191635__f1q75g5.jpg" alt="" style="vertical-align: -4.0px;" /> are solutions increasing? decreasing? What is the equilibrium solution?
A. increasing for A > 125 and decreasing for A < 125; m(t) = 125
B. increasing for A < 125 and decreasing for A > 125; m(t) = 125
C. increasing for A < 125 and decreasing for A > 125; m(t) = 0
D. increasing for A > 125 and decreasing for A < 125; m(t) = 0
Answer: B
Mathematics
src="https://sciemce.com/media/4/ppg__wesa0610191635__f1q75g5.jpg" alt="" style="vertical-align: -4.0px;" /> are solutions increasing? decreasing? What is the equilibrium solution?
A. increasing for A > 125 and decreasing for A < 125; m(t) = 125
B. increasing for A < 125 and decreasing for A > 125; m(t) = 125
C. increasing for A < 125 and decreasing for A > 125; m(t) = 0
D. increasing for A > 125 and decreasing for A < 125; m(t) = 0
Answer: B
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i - 
j + 
k
A. 
B. 
C. 
(-i - j + k)
D. 
Evaluate the combination.
A. 36 B. 9 C. 1 D. 0
Divide using synthetic division.
A. m2 + 5m + 6 B. 7m2 + 4m + 4 C. m2 + 4m + 7 D. 7m2 - 4m + 4
Find the largest open interval where the function is changing as requested.Decreasing y = 
+ 7
A. (-7, 0) B. (7, ?) C. (0, ?) D. (-7, 7)