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f(x)=(x−3)(x+1)
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Solution
Domain:−∞<x<∞
Range:f(x)≥−4
X가로채기:(3,0),(−1,0),Y가로채기:(0,−3)
Vertex:극히적은양(1,−4)
Inverse:1+√x+4,1−√x+4
+1
Interval Notation
Domain:(−∞,∞)
Range:[−4,∞)
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Solution steps
Solve by:
One step at a time
도메인 (x−3)(x+1):−∞<x<∞
범위 (x−3)(x+1):f(x)≥−4
축 가로채기 포인트 (x−3)(x+1):X 가로채기:(3,0),(−1,0),Y 가로채기:(0,−3)