Find the torsion of the space curve.r(t) = (6t sin t + 6 cos t)i + (6t cos t) - 6 sin t)j - 5k
A. ? = -1
B. ? = 1
C. Undefined
D. ? = 0
Answer: D
Mathematics
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Convert the radian measure to degrees. Round your answer to two decimal places. 128.1
A. 14,679.19° B. 402.44° C. 4.41° D. 7,339.60°
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Graph the function.Use the graph of f(x) = ex to obtain the graph of g(x) = e-x.
A. 
B. 
C. 
D. 
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Solve the problem. Write all linear equations in slope-intercept form.With 20.5% commitment, a company can clean up 35% of an acid rain forest. With 23.5% commitment, it can clean up 62% of an acid rain forest. Find a linear equation that models the percent cleanup for x percent commitment.
A. y = 9x + 149.5 B. y = 3x + 27 C. y = x + 27 D. y = 9x - 149.5
Mathematics
Solve the inequality. Graph the solution set.-9x - 7 > -10x - 18
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Mathematics