Decide whether the ordered pair is a solution of the given system.(-1, -2)4x + y = -62x + 4y = -10
A. Yes
B. No
Answer: A
Mathematics
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Determine if the sequence is monotonic and if it is bounded.an = 3 - 
A. nonincreasing; bounded B. not monotonic; bounded C. decreasing; unbounded D. increasing; bounded
Mathematics
Solve the problem.If csc ? = 2, find the value of csc ? + sec(90° - ?). If necessary, round the answer to two decimal places.
A. 2 B. -0.42 C. 1.58 D. 4
Mathematics
Find a formula for the inverse of the function described below.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Mathematics
Graph the function.y = 5 cot
A. 
B. 
C. 
D. 
Mathematics