State which trigonometric functions are undefined for the given value. Refer to the unit circle below.
?
A. Secant and cotangent
B. Cosecant and tangent
C. Cosecant and cotangent
D. Secant and tangent
Answer: C
Mathematics
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Factor by grouping.x3 - x2 + 9x - 9
A. (x2 - 9)(x + 1) B. (x2 - 1)(x + 9) C. (x2 + 9)(x - 1) D. (x2 + 1)(x - 9)
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Use the vertical line test to determine if the graph is a function.
A. Yes B. No
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Solve the inequality.x2 - 25 > 0
A. (-5, 5) B. (-?, -25) or (25, ?) C. (-25, 25) D. (-?, -5) or (5, ?)
Mathematics