TVET CHNS,Eng,Maths
Senior High
Resolved
求解
高職數C
(C) 8.設f(2x + 1) = 2x + 5,則f(-5) = ? (A)-5 (B)-3 (C)-1 (D)1。
* (D) 9 設 f(x)=x² + 4x - 1,目 -3≤x≤0,若其最大值為M,最小值爲m,
則MXm=?
&.
f(2x+1)=4x²+23
x+
3
81-3)=36-6+5=35
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