Graph.f(x) = 2x - 6
A. 
B. 
C. 
D. 
Answer: C
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Parametric equations and and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 2 cos t, y = 2 sin t, ? ? t ? 2?
A. x2 + y2 = 4; Counterclockwise from
(2, 0) to (2, 0), one rotation
B. x2 + y2 = 4; Clockwise from (2, 0) to (-2, 0)
C. x2 + y2 = 1; Clockwise from
(1, 0) to (1, 0), one rotation
D. x2 + y2 = 4; Counterclockwise from
(-2, 0) to (2, 0)
Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
+ 
A. A = -7, B = - 
, C = - 
B. A = 7, B = - 
, C = - 
C. A = -7, B = 
, C = 
D. A = 7, B = 
, C = 
Subtract.-7 - (-20)
A. -13 B. 13 C. -27 D. -7
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = -4x4 + 2x3 - 2x2 + 8x - 2
A. 0 or 2 positive; 0 negative B. 0, 2, or 4 positive; 0, 2, or 4 negative C. 0, 2, or 4 positive; 0 negative D. 0 or 2 positive; 0, 2, or 4 negative