Rewrite the expression as a single trigonometric function using a double-angle identity.cos24? - sin24?
A. 2 sin 4?
B. cos 8?
C. 
sin 16?
D. cos 4?
Answer: B
Mathematics
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The scores on a 30-point multiple-choice exam are given in the following frequency table:
The third quartile on the exam is
A. 27. B. 26.5. C. 28. D. 27.5. E. none of these
Mathematics
Evaluate.X ÷ YZ, for X = 
, Y = -9, and Z = 
A. - 
B. - 1
C. - 1
D. - 1
Mathematics
Find the domain and the vertical asymptote of the function.g(x) = ln (x - 4)
A. Domain: (-?, ?); vertical asymptote: none B. Domain: (0, ?); vertical asymptote: x = 0 C. Domain: (-4, ?); vertical asymptote: x = -4 D. Domain: (4, ?); vertical asymptote: x = 4
Mathematics
Solve.
2 = 567
A. 32 - 72
B. 32 + 72
, 32 - 72
C. -32 + 72
, -32 - 72
D. 
, 
Mathematics