Use the derivative to find the vertex of the parabola.y = -2x2 - 8x + 3
A. (-2, -11)
B. (2, -11)
C. (-2, 11)
D. (2, 11)
Answer: C
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Find the domain and range.{(-2,-1), (-8,-7), (12,-2), (8,6)}
A. domain = {6, -7, -1, -2}; range = {8, -8, -2, 12} B. domain = {8, -8, -2, 12}; range = {6, -7, -1, -2} C. domain = {8, -8, -2, 12}; range = {6, 1, -7, -1, -2} D. domain = {8, -8, -2, 12}; range = {6, 6, -7, -1, -2}
Tell whether the given equation describes a parabola, an ellipse, or a hyperbola.r = 
A. Parabola B. Ellipse C. Hyperbola
Find the first term and the common ratio of the geometric sequence.
, 
, 
, 
, 
, . . .
A. a1 = 
, r = 
B. a1 = 2, r = 
C. a1 = 2, r = 4
D. a1 = 
, r = 2
Find the open interval(s) where the function is changing as requested.Increasing; y = x4 - 18x2 + 81
A. (-3, 0), (3, ?) B. (-3, 0) C. (-3, 3) D. (-?, 0)