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- 11.若f(x)=−9x2+24x−16，則下列何者正確？(A)f(x)≥0的解為x= (B)f(x)≤0的解為x≠ 之任意實數(C)f(x)＞0的解為任意實數(D)f(x)＜0無解
問題詳情
11.若f(x)=−9x2+24x−16，則下列何者正確？
(A)f(x)≥0的解為x=
(B)f(x)≤0的解為x≠
(C)f(x)＞0的解為任意實數
(D)f(x)＜0無解
參考答案
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