(1)x属于实数y≥2
(2)x属于[-5,-2)y属于(11,38]
(3)x属于(-2,1)y属于(2,11)
(4)x属于(0,3]y属于(3,12]怎么做的?
求函数y=x平方-2x+3的定义域分别为以下几种情况时的值域
求函数y=x平方-2x+3的定义域分别为以下几种情况时的值域
(1)x属于实数 (2)x属于[-5,-2)(3)x属于(-2,1)(4)x属于(0,3]
(1)x属于实数 (2)x属于[-5,-2)(3)x属于(-2,1)(4)x属于(0,3]
数学人气:758 ℃时间:2020-03-29 05:24:54
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