Sketch the graph of the equation. Identify the vertex and the intercepts.y = 3 - x2
A. Vertex: (0, 3);
x-intercepts: none;
y-intercept: (0, 3)
B. Vertex: (0, 3);
x-intercepts: (-
, 0) and (
, 0);
y-intercept: (0, 3)
C. Vertex: (0, -3);
x-intercepts: (-
, 0) and (
, 0);
y-intercept: (0, -3)
D. Vertex: (0, -3);
x-intercepts: none;
y-intercept: (0, -3)
Answer: B
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Solve the problem.If the height of a right circular cylinder is quadrupled and the radius is divided by three, how is the volume changed?
A. It is multiplied by 
B. It is multiplied by 
C. It is multiplied by 
D. It is multiplied by 
Find the rule of a quadratic function whose graph has the given vertex and passes through the given point.vertex (-5, -6); point (3, 90)
A. f(x) = 3(x + 5)2 - 6
B. f(x) = 
(x + 5)2 - 6
C. f(x) = 
(x - 5)2 - 6
D. f(x) = (x - 5)2 - 6
Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t, y = t + 1; -2 ? t ? 3
A. y = -2x + 1; for x in -? < x < ?
B. y = 
x - 1; for x in -? < x < ?
C. y = x2 + 1; for x in -2 ? x ? 2
D. y = 
x + 1; for x in -4 ? x ? 6
Simplify the complex fraction.
A. 
B. 
C. 
D. 