Determine whether the graph of f(x) is a sinusoid.f(x) = 2 cos 2x - cot x
A. No
B. Yes
Answer: A
Mathematics
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Find the domain of the expression.
?
?
A. All real numbers x such that 
B. All real numbers x
C. All real numbers x such that x ? 4
D. All real numbers x such that x < 4
E. All nonnegative real numbers x such that x = 4
Mathematics
Write the whole number in standard form.5000 + 80
A. 8050 B. 5080 C. 80,500 D. 50,800
Mathematics
Answer the question.To complete the square of 2x2 + 4x = 8, is it ever a good idea to divide by the coefficient of x2?
What will be an ideal response?
Mathematics
Find the requested measurement.The point (-2, -3) is on a circle that has center (8, -3). Find the length of the diameter of the circle.
A. 19 B. 20.5 C. 10 D. 20
Mathematics