Image:Funcoes x2.png - Wikipedia

# Image:Funcoes x2.png

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Funcoes_x2.png‎ (11KB, Tipo MIME: `image/png`)

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Function x2, defined for { -3,-2,1,0 }.

## [edit] SVG source

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
      "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
    <svg width="400" height="320" version="1.1"
         xmlns="http://www.w3.org/2000/svg">
    <desc>Função: x^2, x pertence a { -3,-2,-1,0 }.</desc>
    <defs>
    <marker id="seta" viewBox="0 0 10 10" orient="auto" refX="0" refY="3"
      markerUnits="strokeWidth" markerWidth="7" markerHeight="4">
            <path d="M 0 0 L 10 3 L 0 6 z" />>
    </marker>
    </defs>

    <g style="fill:#b0ffc0;stroke-width:2px;stroke:black">
    <ellipse cx="100" cy="120" rx="80" ry="110" />
    <ellipse cx="300" cy="170" rx="80" ry="130" />
    </g>

    <g style="fill:#90ffa0;stroke-width:2px;stroke:black;stroke-dasharray:15,10">
    <circle cx="300" cy="108" r="50" />
    </g>

    <g style="font-size: 15pt; font-weight: bold">
    <text x="157" y="30">
    D
    </text>
    <text x="352" y="68">
    CD
    </text>
    </g>

    <g style="font-size: 12pt">
    <text x="94" y="50">
    -3
    </text>
    <text x="94" y="100">
    -2
    </text>
    <text x="94" y="150">
    -1
    </text>
    <text x="98" y="200">
    0
    </text>

    <text x="318" y="95">
    0
    </text>
    <text x="278" y="95">
    1
    </text>
    <text x="278" y="135">
    4
    </text>
    <text x="318" y="135">
    9
    </text>
    <text x="278" y="175">
    2
    </text>
    <text x="318" y="175">
    3
    </text>
    <text x="278" y="215">
    5
    </text>
    <text x="318" y="215">
    6
    </text>
    <text x="278" y="255">
    7
    </text>
    <text x="318" y="255">
    8
    </text>
    </g>

    <g style="stroke-width:2px;stroke:black;marker-end:url(#seta)">
    <line x1="112" y1="48" x2="308" y2="126" />
    <line x1="112" y1="96" x2="265" y2="124" />
    <line x1="112" y1="142" x2="269" y2="94" />
    <line x1="112" y1="191" x2="306" y2="96" />
    </g>

    </svg>

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