fungsi Ganjil & Genap
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Pembahasan soal no 4<br />
f(x) = x 3 - 2x<br />
f(-x) = (-x) 3 – 2(-x)<br />
= -x 3 + 2x<br />
-f(-x) = x 3- - 2x<br />
f(x)<br />
= -(-x)<br />
Jadi, <strong>fungsi</strong> f(x) merupakan <strong>fungsi</strong> ganjil
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