本课配套习题挑战模式1/5

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单选题
难度系数:

1.

已知是一次函数,且满足用待定系数法求=(     )


A:

ƒ (x)=2x+17 

B:

ƒ (x)=3x+17 

C:

ƒ (x)=x+17 

D:

ƒ (x)=4x+17 

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  • 提示2PHA+5YWz57O75byP5pW055CG5ZCO77yM5L2/5pa556iL5Lik6L656aG555qE57O75pWw5a+55bqU55u4562J77yM5rGC5Ye6PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzIzLzRGL3JCQUNFMU1NVmN5aVFxbFpBQUFCakNVUTRmczY1Ni5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvNEYvckJBQ0UxTU1WY3lpUXFsWkFBQUJqQ1VRNGZzNjU2LnBuZyIgaGVpZ2h0PSIyMCIgd2lkdGg9IjM3Ij7nmoTlgLw8L3A+