Jawab:
B
Penjelasan dengan langkah-langkah:
x^3 + 9/2 x^2 - 30x - 24
3x^2 + 9x - 30 (turunan)
3(x^2 + 3x - 10) = 0
3(x + 5)(x - 2) = 0
x = -5 atau x = 2
turun pada gradien < 0
-5 < x < 2
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Jawab:
B
Penjelasan dengan langkah-langkah:
x^3 + 9/2 x^2 - 30x - 24
3x^2 + 9x - 30 (turunan)
3(x^2 + 3x - 10) = 0
3(x + 5)(x - 2) = 0
x = -5 atau x = 2
turun pada gradien < 0
-5 < x < 2