Write an equation to describe the variation. Use k for the constant of proportionality.x varies directly as the square of y and inversely as z.
A. x = ky2z
B. x = 
C. x = 
D. x = k + y2 - z2
Answer: C
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Find the length of the curve with the given vector equation.r(t) = 4
t3/2i + (6t sin t)j + (6t cos t)k ; -4 ? t ? 7
A. 213 B. 408 C. 165 D. 264
The origin of a graph:
a. Is the point where the curve begins b. Is the point where the curve crosses the x-axis c. Is the intersection of the x-axis and y-axis d. Is the point where the curve crosses the y-axis e. Is the locus of all points on a curve
Use a proportion to solve the problem.A label printer prints 4 pages of labels in 2.5 seconds. How long will it take to print 32 pages of labels?
A. 20.00 seconds B. 23.00 seconds C. 22.00 seconds D. 24.00 seconds
Verify that the equation is an identity.sin(x + y) - sin(x - y) = 2 cos x sin y
What will be an ideal response?