Naik klo g'(x) > 0
g(x) = 6x -x³
g'(x) = -3x² + 6
-3x² + 6 > 0
-3(x²-2)> 0
pembuat nol :
x = 0,
x² - 2 = 0
x² = 2
x = -√2 atau √2
Krena > 0, jadi interval nya
x -√2 atau x > √2
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Naik klo g'(x) > 0
g(x) = 6x -x³
g'(x) = -3x² + 6
-3x² + 6 > 0
-3(x²-2)> 0
pembuat nol :
x = 0,
x² - 2 = 0
x² = 2
x = -√2 atau √2
Krena > 0, jadi interval nya
x -√2 atau x > √2