Solve the problem.A wheel with radius 2 m rolls at 13 rad/s. How fast is a point on the rim of the wheel rising when the point is 
radians above the horizontal (and rising)? (Round your answer to one decimal place.)
A. 26.0 m/s
B. 52.0 m/s
C. 13.0 m/s
D. 6.5 m/s
Answer: C
Mathematics
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Identify where f is increasing and where f is decreasing.f(x) = -3x + 2
A. neither B. increasing: (-?, ?); decreasing: never C. increasing: [2, ?); decreasing: (-?, 2] D. increasing: never; decreasing: (-?, ?)
Mathematics
Find the first partial derivatives of the function.
?
?
A. 
?
B. ?
?
C. ?
?
D. ?
?
Mathematics
Factor the difference of two squares.50a4 - 72b2
A. 50a4 - 72b2 B. 2(5a2 + 6b)(5a2 - 6b) C. 2(5a2 - 6b)2 D. 2(5a2 + 6b)2
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.
- 
r + 
= 0
A. {-2, 2} B. 0 C. {-2} D. {2}
Mathematics