亲爱的网友：f（x）=（根号下x^2-3x-4）/x1x=1rcosA,y=-1rsinA,x-1|3

Question

亲爱的网友：f（x）=（根号下x^2-3x-4）/x 1x=1 rcosA,y=-1 rsinA,
x-1| 3

Answer 1

f(x)=loga(x^2-ax)在(-1/2,0)-1/2