Add.(x2 - 5x - 1) + (x3 - 5x - 5) + (-4x3 - 2x + 3)
A. -2x3 - 12x - 3
B. -3x3 + x2 - 12x + 2
C. -3x3 + x2 - 12x - 3
D. -3x3 - 4x2 - 7x - 3
Answer: C
Mathematics
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Find the first three nonzero terms of the Maclaurin expansion of the given function.f(x) = 
A. 2x + 
x2 - 
x3 + ...
B. 2x - x2 + 
x3 - ...
C. -x + x2 - x3 + ...
D. x - x2 + x3 - ...
Mathematics
Find the curvature of the space curve.r(t) = 5ti + 
j + 
k
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Solve, rewrite in interval notation, and graph.5x - 8 ? -13 and 5x - 8 ? 7
A. (-1, 3)
B. [-1, 3)
C. (-1, 3]
D. [-1, 3]
Mathematics
Determine whether the equation is a linear equation in two variables.7x - 5y2 = 3
A. yes B. no
Mathematics