Question

请帮忙解两道关于反比例函数的数学题,就是不知道格式要求

Answer 1

1.2m-9>0

|m|-7 2=b/3 ==>b=6;

x=1时,y=0 ==> 0=a+2; ==>a= -2;

y=-2x^2+6/(x+3)