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The given figure shows the graph of the ...

The given figure shows the graph of the polynomial `f(x)=ax^2+bx+c`, then
(1)    `a>0`, `b<0` and `c>0`
(2)    `a>0`, `b<0` and `c<0`
(3)    `a<0`, `b>0` and `c>0`
(4)    `a<0`, `b>0` and `c<0`

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