Choose the terminology that best classifies the given figure.
A. Closed curve
B. Simple curve
C. None of these
D. Simple closed curve
Answer: B
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Solve the problem.A certain radioactive isotope decays at a rate of 0.275% annually. Determine the half-life of this isotope, to the nearest year.
A. 182 years B. 109 years C. 3 years D. 252 years
Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 12 cos 3t, v(0) = -8, s(0) = 13
A. s = 
sin 3t - 8t + 13
B. s = - 
sin 3t - 8t + 13
C. s = 
cos 3t + 8t + 13
D. s = - 
cos 3t - 8t + 13
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = 3y2 - 18y + 26
A. 
opens right; vertex (-1, -3);
axis of symmetry y = -3
B. 
opens right; vertex (-1, 3);
axis of symmetry y = 3
C. 
opens right; vertex (1, 3);
axis of symmetry y = 3
D. 
opens left; vertex (-1, 3);
axis of symmetry y = 3
Perform the indicated operation.(10x2 - 83x + 24) ÷ (x - 8)
A. 10x2 + 83 B. x - 83 C. 10x - 3 D. 10x + 3