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4 votes
The upper limit for the function f(x) = x3 - 3x 2 - 2x + 15 is

User Lcheylus
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2 Answers

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By the zero product property, either (x^2 -4x + 4 = 0
which easily factors into (x-2)(x-2) and thus gives two roots of 2 and 2
or
( x^2 +3x -10) = 0 which also factors to give 2 and -5
so all 4 roots : 2,2,2, -5
and for your answer : { 2 and -5 }
User Iabbott
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8.5k points
7 votes

Answer:

5

Explanation:

use math

User Dez Udezue
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