Graph the given function. Identify the vertex and the intercepts.y = 8 -x2 + 2x
A. Vertex: (1, 9)
x-intercepts: -2 and 4
y-intercept: 8
B. Vertex: (1, - 9)
x-intercepts: -2 and 4
y-intercept:-8
C. Vertex: (- 1, 9)
x-intercepts: -4 and 2
y-intercept: 8
D. Vertex: (1, 9)
x-intercepts: -4 and 2
y-intercept: 8
Answer: A
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Determine whether the proportion is true or false by writing the ratios in lowest terms.
= 
A. True B. False
Use transformations to graph the function. Determine the domain, range, and horizontal asymptote of the function.f(x) = 2-x + 5
A. domain of f: (-?, ?); range of f:(2, ?)
horizontal asymptote: y = 2
B. domain of f: (-?, ?); range of f:(2, ?)
horizontal asymptote: y = 2
C. domain of f: (-?, ?); range of f:(5, ?)
horizontal asymptote: y = 5
D. domain of f: (-?, ?); range of f:(5, ?)
horizontal asymptote: y = 5
Solve.Find the discount when the original price is $82.00 at a discount of 
.
A. $79.95 B. $20.50 C. $2.05 D. $61.50
Solve the problem.Find parametric equations for an object that moves along the ellipse 
+ 
= 1 with the motion described.The motion begins at (0, 4), is clockwise, and requires 2 seconds for a complete revolution.
A. x = 2 sin (2?t), y = 4 cos (2?t), 0 ? t ? 2 B. x = 2 sin (?t), y = 4 cos (?t), 0 ? t ? 2 C. x = 2 sin (?t), y = -4 cos (?t), 0 ? t ? 2 D. x = 2 cos (?t), y = 4 sin (?t), 0 ? t ? 2