Perform the operation and simplify.
?
?
A. 
B. ?
C. ?
D. ?
Answer: D
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Using the horizontal-line test, determine whether the function is one-to-one.f(x) = x3 - 5x + 2
A. Yes B. No
Solve the problem.Find the length of the curve y = ln(csc x), ?/3 ? x ? ?/2
A. 1 - ln(
)
B. ln(
)
C. ln(2
)
D. ln(
+ 1)
Solve the problem.How many different amounts of money can you pay if you use five coins including quarters and dimes?
A. 4 amounts B. 7 amounts C. 6 amounts D. 5 amounts
Solve the problem.The student body at Hickory Middle School is voting for which new food item should be added to the school's cafeteria menu. The choices are Turkey Club (TC), Popcorn Shrimp (PS), BBQ Ribwich (BR), and Tofu Stir fry (TS). The following table gives the preference schedule for the results of the vote. 
Suppose that the voting rules are that when there is a food item with a majority of votes, it is the winner. Otherwise, all candidates with 20% or less of the first-place votes are eliminated and the votes are recounted. Find the preference schedule for the recount.
A. 
B. 
C. 
D. 
E. 