Solve the problem.A tumor is approximately spherical in shape. If the radius of the tumor changes from 
to 
, find the approximate change in volume. Round your answer to the nearest hundred.
A. 1900 mm3
B. 100 mm3
C. 200 mm3
D. 600 mm3
Answer: D
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Simplify.5.4x - 1.2y - 3.8x + 7y + 2.7x
A. 4.3x + 8.2y B. 11.9x + 5.8y C. 4.3x - 1.2y + 7 D. 4.3x + 5.8y
Find all values of ? in [0, 360°) for which the following is true.csc ? = -2
A. 240° and 300° B. 210° and 330° C. 60° and 240° D. 150° and 330°
Evaluate p(k) by dividing p(x) by x - k and determining the remainder.p(x) = x2 + 2x - 5, k =-3
A. -10 B. -20 C. 8 D. -2
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 = 25t2, y = 5t, -? ? t ? ?
A. x = y2
Entire parabola, top to bottom (from first quadrant to origin to fourth quadrant)
B. x = y2
Entire parabola, bottom to top (from fourth quadrant to origin to first quadrant)
C. y = x2
Entire parabola, left to right (from second quadrant to origin to first quadrant)
D. y = x2
Entire parabola, right to left (from first quadrant to origin to second quadrant)