Engenharia

<p>Quais entre as três figuras abaixo podem ser o gráfico de uma função de primeiro grau?</p><table border="0" cellpadding="1" cellspacing="1" style="width:500px"><tbody>
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			<td><p>I.<img src="https://cdn.mesalva.com/uploads/image/MjAxNy0wMy0yNyAxOTowODoxNSArMDAwMDczNTkyMw%3D%3D%0A.png" data-filename="daum_equation_1489874482617.png" style="width: 221px; height: 221px;"></p></td>
			<td><p><br></p></td><td><p><br></p></td>
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			<td><p>II.&nbsp;<img src="https://cdn.mesalva.com/uploads/image/MjAxNy0wMy0yNyAxOTowODoxNSArMDAwMDczNDQ1NA%3D%3D%0A.png" data-filename="pt.plot.png" style="width: 219px; height: 219px;"></p><p>III.<img src="https://cdn.mesalva.com/uploads/image/MjAxNy0wMy0yNyAxOTowODoxNSArMDAwMDc0OTY5MQ%3D%3D%0A.png" data-filename="pt.plot.png" style="width: 219.5px; height: 219.5px;"></p><p>IV.<img src="https://cdn.mesalva.com/uploads/image/MjAxNy0wMy0yNyAxOTowODoxNSArMDAwMDgxNzIwOQ%3D%3D%0A.png" data-filename="daum_equation_1489874482617.png" style="width: 223px; height: 223px;"></p></td></tr></tbody><tbody><tr>
			<td><br></td>
			<td><p><br></p></td>
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Questão

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