nex_math/data/question_images/generated_5f707a81eeb048078020b9e1f830d436.svg

<svg xmlns='http://www.w3.org/2000/svg' width='320' height='240' viewBox='0 0 320 240'><rect width='320' height='240' fill='white'/><line x1='20' y1='120' x2='300' y2='120' stroke='black' stroke-width='1.5'/><line x1='160' y1='20' x2='160' y2='220' stroke='black' stroke-width='1.5'/><polygon points='300,120 292,116 292,124' fill='black'/><polygon points='160,20 156,28 164,28' fill='black'/><text x='295' y='138' font-size='12'>x</text><text x='168' y='28' font-size='12'>y</text><text x='150' y='135' font-size='12'>O</text><path d='M40,205 C90,190 130,150 160,120 C190,90 230,50 280,35' fill='none' stroke='blue' stroke-width='2'/><text x='210' y='70' font-size='13' fill='blue'>y=x^3</text><path d='M160,120 L280,120' stroke='red' stroke-width='3' opacity='0.35'/><text x='210' y='112' font-size='11' fill='red'>(0,+∞)</text><text x='20' y='20' font-size='12'>奇函数，x&gt;0递增</text></svg>