Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = x2 + 6x - 6
A. (-3, -33)
B. (-3, -15)
C. (6, 66)
D. (3, 21)
Answer: B
Mathematics
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Determine if the equation is an identity.cot2 
+ 1 = sec2 x
A. Yes B. No
Mathematics
Simplify, and write the answer using only positive exponents. Assume all variables represent nonzero numbers.
A. 96 B. 34 C. 277 D. 36
Mathematics
Solve. Use ? = 3.14 and round your answer to the nearest hundredth.A radio station sends out waves in all directions from a tower at the center of the circle of broadcast range. Determine how large an area is reached if the broadcast range has a diameter of 
A. 175.84 mi2 B. 87.92 mi2 C. 2461.76 mi2 D. 9847.04 mi2
Mathematics
Prove the identity.4 cot 4x = 2 cot 2u - 2 tan 2u
What will be an ideal response?
Mathematics