Evaluate.(-8)3
A. -24
B. -512
C. 512
D. 24
Answer: B
Mathematics
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Use your calculator to solve the problem.The length (in feet) an industrial spring is stretched from its natural length with work, W
is given by L = 
, where k is a constant for the given spring. If a certain spring has a constant of 67.6 and has 287 foot-pounds of work applied, how far will it stretch?
A. 2.06 feet B. 8.49 feet C. 72.1 feet D. 2.91 feet
Mathematics
Use implicit differentiation to find dy/dx and d2y/dx2.x2 - y3 = 6
A. 
= 
; 
= 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= 
; 
= 
Mathematics
Simplify.2(-2x + 7)
A. -4x + 14 B. -4x - 14 C. x + 14 D. -4x + 7
Mathematics
Solve using the addition principle.-7.5 = 0.9 + x
A. -8.4 B. 8.4 C. -8.33 D. -6.6
Mathematics