Solve.A science student watching a group of ants moving along a straight line determines that their position x along the line as a function of time t is given by 
Give an equivalent expression for x by factoring out a common factor.
A. x = t(t2 + 3t - 32)
B. x = t(t2 + 3t + 32)
C. x = t(t3 + 3t2 - 16t + 48)
D. x = t(t3 + 3t2 + 32t)
Answer: C
Mathematics
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Find all numbers for which the rational expression is not defined.
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