A franchise models the profit from its store as a continuous income stream with a monthly rate of flow at time t given by 
(dollars per month). When a new store opens, its manager is judged against the model, with special emphasis on the second half of the first year. Find the total profit for the second 6-month period ![]()
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. Round your answer to the nearest dollar.
?
A. $61,831
B. $51,679
C. $40,973
D. $30,821
E. $46,232
Answer: D
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A. Does not exist
B. - 
C. 0
D. - 
Write as a percent. 1.33
A. 1830% B. 1330% C. 233% D. 133%
Decide whether the equation is or is not an identity.sin (? + ?) sin (? - ?) = sin2? - sin2?
A. Not an identity B. Identity
Solve the problem.Elaine had 8 buttons. Her grandmother donated 6 cards of buttons to the collection. Elaine sorted the buttons into 8 piles, putting 7 buttons in each pile. How many buttons were on each card from Elaine's grandmother?
A. 48 buttons B. 8 buttons C. 6 buttons D. 51 buttons