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ra1l [238]
3 years ago
13

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

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
6 0
By the zero product property, either (x^2 -4x + 4 = 0 
<span>which easily factors into (x-2)(x-2) and thus gives two roots of 2 and 2 </span>
<span>or </span>
<span>( x^2 +3x -10) = 0 which also factors to give 2 and -5 </span>
<span>so all 4 roots : 2,2,2, -5 </span>
<span>and for your answer : { 2 and -5 } </span>
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