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Using only the values given in the table for the function f(x) = –x3 + 4x + 3, what is the largest interval of x-values where the function is increasing?

Verified Answer :

mroar

i assume you mean -x^3 + 4x + 3 
so what you need is 4x + 3 > x^3
the only whole number it could be is 2 because 2x2x2 +3 > 2x2x2

ashlore

Answer:

(-1, 1)

Just got done with edge

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