Identify the equation as either an identity or not.
= 
A. Not an identity
B. Identity
Answer: B
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Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x + 6)2 + 4
A. (4, -36), up B. (-6, 4), down C. (-4, 6), down D. (4, -6), up
Determine if the series converges absolutely, converges, or diverges.
A. converges conditionally B. Converges absolutely C. Diverges
Perform the indicated operation and write the answer in lowest terms.
- 
A. 5a B. 0 C. 9b D. 81b
Determine where the function is increasing and where it is decreasing.f(x) = x2 + 2x - 8
A. increasing on (-?, -9) decreasing on (-9, ?) B. increasing on (-9, ?) decreasing on (-?, -9) C. increasing on (-1, ?) decreasing on (-?, -1) D. increasing on (-?, -1) decreasing on (-1, ?)