x- 3x-5/5≥2(10-x)/7 -1
问题描述:
x- 3x-5/5≥2(10-x)/7 -1
答
练习:求函数y=(10x 10-x)/(10x-10-x)的B.[-7,+∞] C.[0,+∞) D.[-5,+例5求函数y=(3x 2)/(x 1)的值域.点拨:
x- 3x-5/5≥2(10-x)/7 -1
练习:求函数y=(10x 10-x)/(10x-10-x)的B.[-7,+∞] C.[0,+∞) D.[-5,+例5求函数y=(3x 2)/(x 1)的值域.点拨: