Solve and, when appropriate, round the answer to the nearest tenth.The length L that a spring is stretched from its natural length using W amount of work (in foot-pounds) is given by L = 
, where k is a given constant for the spring. If a certain spring has a constant value k of 47.4 and the spring is to be stretched 1.6 feet from its natural length, how much work will be necessary?
A. 30 foot-pounds
B. 37.9 foot-pounds
C. 60.7 foot-pounds
D. 121.3 foot-pounds
Answer: C
Mathematics
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Use transformations to graph the function.f(x) = 3x2 + 3 
A. 
B. 
C. 
D. 
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Change 
to a percent.
A. 66%
B. 1.5%
C. 
%
D. 6.66%
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Simplify.
A. 214 B. 3258 C. 58 D. 130
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Factor out the greatest common factor.x2(x - 12) - (x - 12)
A. (x3 - 12x2) - (x - 12) B. (x - 12)(x2 + 1) C. x2(x - 12) D. (x - 12)(x2 - 1)
Mathematics