已知 2＞x≧－4，且一次函數 y=1－5x，則 y 的範圍為何?(A) －15＞y≧15 (B) －15≧ y＞15 (C) 21≧y＞－9 (D) －21＞y≧9

問題詳情

23.已知 2＞x≧－4，且一次函數 y=1－5x，則 y 的範圍為何?
(A) －15＞y≧15
(B) －15≧ y＞15
(C) 21≧y＞－9
(D) －21＞y≧9

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增

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