Use the definition to find an expression for the instantaneous velocity of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s).s = 3t4 - 7t3 + 3
A. 12t3 - 21t2 + 3
B. 3t3 - 7t2
C. 12t3 - 21t2
D. 3t3 - 7t2 + 3
Answer: C
Mathematics
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A. 
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D. 
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A. 
B. 
C. 
D. 
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Find the requested composition or operation.f(x) = 4x2 + 6x + 4, g(x) = 6x - 5Find (g ? f)(x).
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Change 6 to a percent.
A. 600% B. 0.06% C. 60% D. 0.6% E. none of these
Mathematics