Two linear functions, y1 and y2, are graphed with their point of intersection indicated. Give the solution set of 
A. 
B. {-16}
C. {-3.6}
D. {-1.6}
Answer: D
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Find the power series representation for f(x).f(x) = e4x + e-4x
A. 8x + 
+ 
+ . . .
B. 1 + 
+ 
+ . . .
C. 2 + 
+ 
+ . . .
D. 2 + 8x + 
+ 
+ . . .
Use the graph to find the requested value.Find f(-1).
A. -2 B. -1 C. 4 D. 0
Let N denote the number of raccoons present in a certain area at time t.
?
A: From 1990 to 2000 favorable conditions allow the population to increase at a constant rate of 53 animals per year. What can be said about 
during this time period?
?
B: From 2000 to 2005 drought caused the food supply to diminish, and the population size decreased. What can be said about during this time period?
?
C: From 2005 on the racoon population remained stable. It neither increased nor decreased. What can be said about during this time period?
What will be an ideal response?
Use De Morgan's laws to write a negation of the statement.Cats are lazy or dogs aren't friendly.
A. Cats aren't lazy and dogs are friendly. B. Cats aren't lazy or dogs aren't friendly. C. Cats aren't lazy or dogs are friendly. D. Cats are lazy and dogs are friendly.