Determine the value of the limit.y = -2x cos x 
A. -2
B. -?
C. Does not exist
D. ?
Answer: C
Mathematics
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Solve the problem.The Tasmanian House of Representatives has 435 members. A set of 3 leaders - a Speaker, a Whip, and a Secretary - must be selected. How many different sets of leaders can be selected?
A. 435 × 434 × 433
B. 4353
C. 3435
D. 
E. none of these
Mathematics
State the domain of the rational function.f(x) = 
A. (-?, 4) ? (4, ?) B. (-?, ?) C. (-?, -36) ? (-36, ?) D. (-?, -4) ? (-4, ?)
Mathematics
Decide whether the given number is a solution to the equation preceding it.
+ 
= 1; 8
A. Yes B. No
Mathematics
Perform the operation. Write the answer as a fraction in lowest terms.4
+ 4
A. 
B. 
C. 
D. 
Mathematics