Convert the polar equation to a rectangular equation.r cos ? = 7
A. y2 = 7
B. x = 7
C. y = 7
D. x2 + y2 = 7
Answer: B
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Estimate the value of the following limit by graphing the function 
Round your answer correct to two decimal places.
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 are expected in the habitat after 10 months?
A. 4400 butterflies B. 300 butterflies C. 126 butterflies D. 442 butterflies
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
csc (tan-1 u)
A. 
B. 
C. 
D. 
The Leslie matrix for a population of birds is 
The population vector for year 1 is 
What will be an ideal response?