y=4^|x|
定義域R
t=|x|>=0
y=4^t>=1
值域y>=1
x>=0,t單增,x=0單增,x
函數(shù)y=4的x的絕對(duì)值次方的定義域值域單調(diào)區(qū)間是什么
函數(shù)y=4的x的絕對(duì)值次方的定義域值域單調(diào)區(qū)間是什么
數(shù)學(xué)人氣:484 ℃時(shí)間:2019-09-24 05:08:50
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