Find the curvature of the space curve.r(t) = -6i + (8 + 2t)j + (t2 + 3)k
A. ? = 
B. ? = - 
C. ? = 
D. ? = 
Answer: A
Mathematics
You might also like to view...
Find the gradient field F of the function f.f(x, y, z) = (x9y2 - y8z3)e-z2
A. F = 9x8y2e-z2i + (2x9y - 8y7z3)e-z2j + y2ze- z2[y6z(2z2 - 3) - 2x9]k B. F = 9x8y2i + (8y7z3 - 2x9y)j + (2z2 - 3)y8z2k C. F = 9x8y2e-z2i + (2x9y - 8y7z3)e-z2j + (3 - 2z2)y8z2e-z2k D. F = 9x8i + (8y7 - 2y)j + 2z4e-z2k
Mathematics
Give the place value of the underlined digit.368,3
6,173
A. hundred B. ten thousand C. hundred thousand D. thousand
Mathematics
Evaluate the polynomial.8 - 
x, when x = 0
A. -8
B. 0
C. 8
D. - 
Mathematics
This frequency table gives the distribution of ages of 100 people in a small town. 
How many people are:10 years of age or older
A. 82 B. 93 C. 7 D. 11
Mathematics