[計量] 數學問題
麻煩大家幫我解答了!
1. 0<p<1
colA: the greatest value of p(1-p)
colB: 1/2
answer: C
我以為最大值是1/2*1/2=1/4??
2.for line y=ax+b, ab不等於零 x intercept is twice y intercept
colA: slope of the line
colB: 1/2
answer: D
不管是正的或負intercept m=-1/2 不是嗎?
3. x-y=3=0
colA: x
colB: y
answer: D
不論如何 x=y+3 所以應該是x大不是嗎?
另外想請問各位 有哪些單位換算是特別要背的?
ex. 1ft=12inch
謝謝!
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