nex_math/data/question_images/generated_517b779a05ba4e88b2550e1365c0d3d1.svg

<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 360 260' width='360' height='260'><rect width='360' height='260' fill='white'/><line x1='40' y1='180' x2='320' y2='180' stroke='black' stroke-width='2'/><line x1='180' y1='20' x2='180' y2='240' stroke='black' stroke-width='2'/><polygon points='320,180 312,176 312,184' fill='black'/><polygon points='180,20 176,28 184,28' fill='black'/><text x='325' y='185' font-size='14'>x</text><text x='185' y='25' font-size='14'>y</text><polyline points='90,45 105,86.25 120,120 135,146.25 150,165 165,176.25 180,180 195,176.25 210,165 225,146.25 240,120 255,86.25 270,45' fill='none' stroke='blue' stroke-width='2'/><line x1='120' y1='120' x2='120' y2='180' stroke='gray' stroke-dasharray='4 3'/><line x1='120' y1='120' x2='180' y2='120' stroke='gray' stroke-dasharray='4 3'/><line x1='240' y1='120' x2='240' y2='180' stroke='gray' stroke-dasharray='4 3'/><line x1='240' y1='120' x2='180' y2='120' stroke='gray' stroke-dasharray='4 3'/><circle cx='120' cy='120' r='4' fill='red'/><circle cx='240' cy='120' r='4' fill='red'/><text x='245' y='112' font-size='14'>f(2)=4</text><text x='55' y='112' font-size='14'>f(-2)=?</text><text x='250' y='70' font-size='14'>y=f(x)</text><text x='185' y='130' font-size='12'>y轴对称</text></svg>