Graph the function.y = cot x
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Translate the problem situation to a system of equations. Do not solve.Anne has 15 coins in her pocket consisting of nickels and dimes only. The total value of the coins is $1.25. How many nickels and how many dimes does she have?
A. x + y = 15; 5x + 10y = 1.25 B. x + y = 15; 5x + 10y = 125 C. x + y = 15; 0.05x + 0.1y = 125 D. x + y = 15; 5x + 5y = 125
Mathematics
Simplify the expression. (Remember the order of operations.)13 - (-16) + 1
A. 4 B. -4 C. 30 D. -2
Mathematics
Graph the system of inequalities, and find the coordinates of the vertices.y ? 4 - 2xx ? 1
A. 
B. 
C. 
D. 
Mathematics
Evaluate the function.For f(x) = 
, find f(0) and f(9).
A. f(0) = -1, f(9) = 7 B. f(0) = -1, f(9) = 5 C. f(0) = 12, f(9) = 5 D. f(0) = 12, f(9) = 7
Mathematics