Find the numbers at which f is discontinuous. At which of these numbers is f continuous from the right, from the left, or neither? Sketch the grap h of f.

f(x) = {x2 if x < - 1

x if -1 ≤ x < 1

1/x if x ≥ 1}

Find the numbers at which f is discontinuous. At which of these numbers is f continuous from the right, from the left, or neither? Sketch the grap h of f.

f(x) = {x2 if x < - 1

x if -1 ≤ x < 1

1/x if x ≥ 1}