a)
The expression for the left-hand limit at -2 is,
Refer to the given graph which equals to infinity.
Thus, the left-hand limit at -2 is infinity.
b)
The expression for the right-hand limit at -2 is,
Refer to the given graph which equals to minus infinity.
Thus, the right-hand limit at -2 is minus infinity.
c)
From the above values.
Thus, limits do not exist at -2.
d)
The expression for the left-hand limit at 0 is,
Refer to the given graph which equals to infinity.
Thus, the left-hand limit at 0 is infinity.
e)
The expression for the right-hand limit at 0 is,
Refer to the given graph which equals to minus infinity.
Thus, the right-hand limit at 0 is minus infinity.
f)
From the above values.
Thus, limits do not exist at 0.
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