Solve the problem.Two pulleys of diameter 6 meters and 3 meters are connected by a belt. The larger pulley rotates 41 times per minute. Find the angular speed of the smaller pulley.
A. 246? radians per min
B. 164? radians per min
C. 123? radians per min
D. 82? radians per min
Answer: B
Mathematics
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Find the derivative.f(x) = cos e2x
A. e2x cos e2x B. -2e2xsin e2x C. -2 sin e2x D. 2e2x sin e2x
Mathematics
Find the domain of the given function.f(x) = 
A. [-3, ?)
B. (3, ?)
C. (- 
, ?)
D. [
, ?)
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A parabolic mirror reflects light in a beam when the light source is placed at its focus. How far from the vertex of the parabolic reflector should the light source be placed? (All measurements are in feet.)
?
?
?
A. 4 feet B. 1 foot C. 16 feet D. 32 feet E. none of these
Mathematics
Determine whether the function is a polynomial function.f(x) = x3/2 - x5 + 3
A. Yes B. No
Mathematics