Solve. Provide answers in interval notation.(a - 1)(a - 3)(a - 6) > 0
A. (-?, 3)
B. (6, ?)
C. (1, 3) ? (6, ?)
D. (-?, 1) ? (3, 6)
Answer: C
Mathematics
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Verify the identity.tan2 x = sec2 x - sin2 x - cos2 x
What will be an ideal response?
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Solve by the substitution method. x + 5y = -54x + 6y = -6
A. (1, -2) B. (1, 0) C. (0, -1) D. No solution
Mathematics
Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics