Solve the problem.For what numbers ? is f(?) = sec ? not defined?
A. odd multiples of 
(90°)
B. all real numbers
C. odd multiples of ? (180°)
D. integral multiples of ? (180°)
Answer: A
Mathematics
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% of what number of coats is 51 coats? Round to the nearest whole number.
A. 146 B. 2 C. 14,570 D. 1457
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Indicate whether the statement is true always, sometimes, or never.When i is raised to an odd power, the result is -1.
A. Always B. Sometimes C. Never
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Solve the equation.
(x + 5) + 
(x - 1) = x - 3
A. ? B. {all real numbers} C. {-23} D. {23}
Mathematics
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics