Find the real zeros of the function. List the x-intercepts of the graph of the function.F(x) = x4 - 50x2 + 49
A. x = -49, x = 49
B. x = -1, x = 1, x = -7, x = 7
C. x = -7, x = 7
D. x = -50, x = 50
Answer: B
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Find the exact circumference of the circle in terms of ?.
A. 4? km B. 16.2? km C. 8.1? km D. 64.01? km
Solve the problem.Find parametric equations for an object that moves along the ellipse 
+ 
= 1 with the motion described.The motion begins at (0, 6), is clockwise, and requires 3 seconds for a complete revolution.
A. x = 4 cos (
?t), y = 6 sin (
?t), 0 ? t ? 3
B. x = 4 sin (3?t), y = 6 cos (3?t), 0 ? t ? 3
C. x = 4 sin (
?t), y = 6 cos (
?t), 0 ? t ? 3
D. x = 4 sin (
?t), y = -6 cos (
?t), 0 ? t ? 3
Find absolute maximum and minimum values of the function, if they exist, over the indicated interval. Where no interval is specified, use the real line. List your answers in terms of ordered pairs.
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 4x
A. (-4, 2); x = -4 B. (2, -4); x = 2 C. (-2, 4); x = -2 D. (4, -2); x = 4