Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. How many butterflies were initially introduced to the habitat?
A. 760 butterflies
B. 7 butterflies
C. 90 butterflies
D. 2 butterflies
Answer: C
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Calculate the derivative of the function. Then find the value of the derivative as specified.
? =2 if r = 
A. 
= 
; 
? =2
= 
B. 
= - 
; 
? =2
= - 
C. 
= - 
; 
? =2
= - 
D. 
= 
; 
? =2
= 
Divide and express the result in standard form.
A. 
- 
i
B. - 
+ 
i
C. 
- 
i
D. - 
- 
i
For the given equation, state whether the directrix is vertical or horizontal and give its location in relation to the pole.r = 
A. Vertical, 2 units to the left of the pole B. Vertical, 4 units to the left of the pole C. Horizontal, 2 units below the pole D. Horizontal, 4 units below the pole
Solve using a system of three linear equations.Three shrimp boats supply the shrimp wholesalers on Hilton Head with fresh catch. The Annabelle takes 50% of its catch to Hudson's, 20% to Captain J's, and 30% to Mainstreet. The Curly Q takes 40% of its catch to Hudson's, 40% to Captain J's, and 20% to Mainstreet. The SloJoe takes 30% of its catch to Hudson's, 40% to Captain J's, and 30% to Mainstreet. One week Hudson's received 236.6 pounds of shrimp, Captain J's received 206.4 pounds, and Mainstreet received 157 pounds. How many pounds of shrimp did each boat catch?
A. Annabelle 202 lbs, Curly Q 168 lbs, SloJoe 230 lbs B. Annabelle 202 lbs, Curly Q 230 lbs, SloJoe 168 lbs C. Annabelle 168 lbs, Curly Q 230 lbs, SloJoe 202 lbs D. Annabelle 230 lbs, Curly Q 202 lbs, SloJoe 168 lbs