Mathematics
Senior High
想請問這題的選項5 a+c應該不等於2√2 啊
C=
b=x
召數滿分——數學A學測模擬試題
2
√xxFx
* atb
+歲2252 务
2252
245) 42設 a、b、c分別為函數f(x)=x+20
9(x) = √x+
2 | h(x) = √x + 27/0
=
+
在 20 為
X
一天:
足限制
任意正實數時的最小值。試選出正確的選項。
(1) b = √a b=α = 252 (*)(x++
(2) b = c b+c, b-152, C = √(x)
5083
4
3
(3) c = 2 √(2) = 24
(4)f(x)+g(c)在為任意正實數時的最小值為a+b
(5)f(x)+h(x)在為任意正實數時的最小值為a+C
ofv gol (e)
OSI niz (A)
0£1200 (2)
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