Find an equation for the graph.
A. y = 5 sin (2?x)
B. y = 2 sin (5?x)
C. y = 5 sin 
D. y = 2 sin 
Answer: A
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Name the conic (horizontal ellipse, vertical hyperbola, and so on) corresponding to the given equation.
+ 
= 0
A. Horizontal hyperbola B. Vertical hyperbola C. Vertical parabola D. Horizontal parabola
Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = 7
A. 
?
B. 
?
C. 
?
D. 
?
Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = x2 + 6x + 8
A. domain: {x|-? < x < ?}
range: {y|y ? -1}
B. domain: {x|-? < x < ?}
range: {y|y ? 1}
C. domain: {x|-? < x < ?}
range: {y|y ? 1}
D. domain: {x|-? < x < ?}
range: {y|y ? -1}
Use regression to find a quadratic function that best fits the data. Give results to the nearest hundredth.
A. f(x) = 0.05x2 + 13.25x + 790.18 B. f(x) = 0.15x2 - 38.67x + 891.67 C. f(x) = 0.05x2 - 13.25x + 790.18 D. f(x) = 0.15x2 + 38.67x + 891.67