函数f(x)=(x-6)/(x^2-4x-12)的连续区间为_____,间断点是______?

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函数f(x)=(x-6)/(x^2-4x-12)的连续区间为_____,间断点是______?

函数f(x)=(x-6)/(x^2-4x-12)的连续区间为_____,间断点是______?
函数f(x)=(x-6)/(x^2-4x-12)的连续区间为_____,间断点是______?

函数f(x)=(x-6)/(x^2-4x-12)的连续区间为_____,间断点是______?
f(x)=(x-6)/(x^2-4x-12)=(x-6)/(x-6)(x+2)
函数f(x)=(x-6)/(x^2-4x-12)的连续区间为(-无穷,-2)∪(-2,+无穷)间断点是x=-2