Solve the problem.The instantaneous growth rate of a population is the rate at which it is growing at every instant in time. The instantaneous growth rate r of a colony of bacteria t hours after the start of an experiment is given by the function 
for 
Find the times for which the instantaneous growth rate is zero.
A. 1 sec and 2 sec
B. 1 sec
C. 1 sec, 2 sec, and 4 sec
D. 2 sec and 4 sec
Answer: A
Mathematics
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Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 8 cos 3?
A. 
?
B. 
?
C. 16?
D. 32?
Mathematics
Factor completely.-2w2 - 20w - 48
A. -(2w + 12)(w + 4) B. -2(w + 6)(w + 4) C. -(w - 6)(w - 4) D. prime
Mathematics
Let u represent src="https://sciemce.com/media/4/ppg__tttt0515191515__f1q109g7.jpg" style="vertical-align: -17.0px;" /> 
, v represent 
, and w represent 
. Solve first for u, v, and w. Then solve the system of equations. 
+ 
- 
= 
- 
- 
= 
- 
- 
+ 
= - 
A. 
B. 
C. (9, -6, -2)
D. (9, -6, 2)
Mathematics
Find the LCM.4, 13
A. 4 B. 26 C. 52 D. 17
Mathematics