函數(shù)y=-2x+7中，令y=-2，則-2x+7=-2，
解得：x=4.5．
當(dāng)自變量x的取值滿足什么條件時(shí)，函數(shù)y=-2x+7的值為-2．
當(dāng)自變量x的取值滿足什么條件時(shí)，函數(shù)y=-2x+7的值為-2．
數(shù)學(xué)人氣：360 ℃時(shí)間：2020-05-23 11:22:03
優(yōu)質(zhì)解答
我來回答
類似推薦
- 函數(shù)y=√（5x-1）+√（7-2x）+1/（x-2）的自變量x取值范圍是
- 若函數(shù)y=2x+1中函數(shù)值的取值范圍是1≤y≤3．則自變量x的取值范圍是_．
- 當(dāng)自變量x的取值滿足什么條件時(shí),函數(shù) y=3/2x+6 的值滿足下類條件.y=0 y＜0 y＞0 y＜2
- 當(dāng)自變量X的取值滿足什么條件時(shí),函數(shù)Y=3/2X+6的取值滿足下列條件?
- 當(dāng)自變量x的取值滿足什么條件時(shí)，函數(shù)y=-2x+7的值為-2．
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個(gè)數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯(cuò)
猜你喜歡
- 1平面與平面重合,是否屬于平行一類?那重合的兩直線,也屬于平行一類的嗎?
- 2非洲每年因饑餓死亡的人數(shù)及現(xiàn)在饑餓人口數(shù)量拜托各位了 3Q
- 3decide to do sth.還=什么
- 4(7/8)o you think of london?B:5.____london is one of the liveliest cities
- 5啤酒可以托運(yùn)嗎
- 6邊長為2√6的等邊三角形的中心到一邊的距離為?
- 7please give your hand to help me
- 8已知2的X次方等于3的Y次方等于6的Z次方不等等于1,證明X分之一加Y分之一等于Z分之一.
- 9幫我做做?
- 10機(jī)械分析天平TG628A的使用說明書
- 11in winter ,we wear warm coats to protect our bodies_.
- 12( )was most importance to her ,she told me,was her family it this what as