[中學] 二次函數
f(x)=2x^2+x+a-2
g(x)=-4x-5
根據f(x)=g(x)的x值兩個函數值的絕對值在3以上的條件爲a≦ ____
答案爲 -1
請問是怎麼算的呢????
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10/19 11:05, , 1F
10/19 11:05, 1F
→
10/19 11:05, , 2F
10/19 11:05, 2F
→
10/19 11:06, , 3F
10/19 11:06, 3F
→
10/19 11:06, , 4F
10/19 11:06, 4F
→
10/19 11:07, , 5F
10/19 11:07, 5F
→
10/19 11:07, , 6F
10/19 11:07, 6F
推
10/19 11:11, , 7F
10/19 11:11, 7F
→
10/19 11:11, , 8F
10/19 11:11, 8F
→
10/19 19:35, , 9F
10/19 19:35, 9F
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