Find the curvature of the curve r(t).r(t) = (3 + 6 cos 9t) i - (8 + 6 sin 9t)j + 6k
A. ? = 
B. ? = 
C. ? = 6
D. ? = 
Answer: D
Mathematics
You might also like to view...
Solve. Graph the solution on a number line, and express it in interval notation.x - 
> - 
A. x > - 
, 
B. x > 
, 
C. x > - 
, 
D. x < - 
, 
Mathematics
For the pair of functions, find the indicated domain.f(x) = 2x - 5, g(x) = 
Find the domain of g ? f.
A. [-?,-2) B. [-2, ?) C. (-9, 9) D. [9, ?)
Mathematics
Solve the inequality, and graph the solution set.
> 0
A. (4, ?)
B. (-9, 4)
C. (-?, -9) or (4, ?)
D. (-?, -9)
Mathematics
Using the restrictions stated for the function, find a rule for f-1.f(x) = -x2 + 2, x ? 0
A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = 
D. f-1(x) = x2 + 2
Mathematics