Solve the equation on the interval [0, 2?).Suppose f(x) = 2 cos ? + 1. Solve f(x) = 0.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve.The sum of twice a number and 18 less than the number is the same as the difference between -2 and the number. What is the number?
A. 4 B. 8 C. 5 D. 3
Mathematics
Answer the question.Explain how to construct a line parallel to a line l using the sliding-triangle method.
What will be an ideal response?
Mathematics
Identify any vertical, horizontal, or oblique asymptotes in the graph of y = f(x). State the domain of f.
A. Vertical: x = -2; oblique: y = x + 2; (-?, 2) ? (2, ?) B. Vertical: x = -2; oblique: y = x + 2; (-?, -2) ? (-2, ?) C. Vertical: x = -2; oblique: y = x - 2; (-?, -2) ? (-2, ?) D. Vertical: x = 2; oblique: y = x - 2; (-?, 2) ? (2, ?)
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics