Solve the problem.A water noodle is formed from a cylinder of radius 4 and height 8 by drilling through the diameter of the cylinder with a drill bit of radius 1. Find the volume of the water noodle.
A. 128?
B. 60?
C. 120?
D. 8?
Answer: C
Mathematics
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Determine all critical points for the function.f(x) = x3 - 6x2 + 2
A. x = 0 and x = 2 B. x = 0 and x = 4 C. x = 0 D. x = -2 and x = 2
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Multiply the expressions, and simplify the results. Assume there are no zero denominators.
Mathematics
Evaluate the given expression.cot-1 (-1)
A. 
B. 
C. 
D. 
Mathematics
If possible, simplify the expression. If any variables exist, assume that they are positive.3
- 9
A. -21
B. -6
C. 15
D. -15
Mathematics