Find the indicated cross product.v = 3i - 4j + 3k, w = 2i + 2j - 5kFind v × w.
A. 14i - 14j - 21k
B. 26i + 9j - 2k
C. -2i - 19j - 16k
D. 14i + 21j + 14k
Answer: D
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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 = 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)
Evaluate the expression for the given replacement values.y - x + z for x = 3.9, y = 5, z = 0.63
A. -0.47 B. 1.73 C. 1.63 D. 0.47
Find the range of the set of numbers.0, -9, 5, 1, -2
A. 14 B. -14 C. 5 D. -1
The real solutions of the given equation are rational. List all possible rational roots using the Rational Zeros Theorem, and then graph the polynomial in the given viewing rectangle to determine which values are actually solutions. (All solutions can be seen in the given viewing rectangle.)
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by 
What will be an ideal response?