Provide an appropriate response.Multiply two fractions by 
the numerators and 
the denominators.
A. multiplying; canceling
B. adding; multiplying
C. multiplying; multiplying
D. multiplying; adding
Answer: C
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Evaluate the expression without using a calculator, or state that the value does not exist. Simplify the answer to the extent possible.coth(ln 3)
A. 
B. 
C. 
D. 
Provide an appropriate response.Consider the following preference schedule.
If the winner is decided by pairwise comparisons, which of the following fairness criteria is violated?
A. Fairness Criterion 4 B. Fairness Criterion 3 C. Fairness Criterion 2 D. None of these
Solve the system by the addition method.x2 - 3y2 - 1 = 04x2 + 3y2 - 19 = 0
A. {(-1, 2), (1, -2)} B. {(2, 1), (-2, -1)} C. {(2, 1), (2, -1), (-2, 1), (-2, -1)} D. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
Find the derivative of the function.y = 6 sec2x
A. 12 tan x sec2x B. 12 sec1x C. 12 tan2x sec2 x D. 12 tan2x sec1x