已知y+5与3x+4成正比例,并且当x=1时,y=2,写出y与x之间的函数关系式___y=3x-1___,当x=-1时,y=____-4___
当y=-1时,x=____0___;
当x满足____x>1/3____时,y>0
当x满足___x=1/3____时,y=0
当x满足___x
已知y+5与3x+4成正比例,并且当x=1时,y=2,写出y与x之间的函数关系式___y=3x-1___,当x=-1时,y=____-4___
当y=-1时,x=____0___;
当x满足____x>1/3____时,y>0
当x满足___x=1/3____时,y=0
当x满足___x