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Textbook Expert
Textbook ExpertVerified Tutor
14 Oct 2021

Given information

The function is discontinuous at -1 and 4, but continuous from the left at -1 and from the right at 4.

Step-by-step explanation

Step 1.

The function is discontinuous at -1 and 4, but continuous from the left at -1 and from the right at 4.

 

At -1, the function is left continuous so draw a closed circle and extend to the left. In the interval (-1,4) the function is continuous except at the end points so represent the end points by open circles. At 4, the function is right continuous so we have to draw a closed circle and extend the line to the right.

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