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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?
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2 votes
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?

User Prnsml
by
7.6k points

2 Answers

5 votes
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

User Pmiranda
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8.9k points
4 votes

Answer:

(-1, 1)

Just got done with edge

User Dereli
by
8.2k points
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