Question 57760
N(t)= - 3t^3 + 23t^2 + 8t 
a. Rewrite the formula by factoring the right hand side completely.
N(t)=t(-3t^2+23t+8)
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b. Use the factored version of the formula to find N(3).
N(3)=3(-3(3^2)+23(3)+8)
N(3)=3(-27+69+8)
N(3)=3(50)
N(3)=150
Cheers,
Stan H.