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Hey guys!
So X and Y are Sets.
f:X-->Y is a transformation.
A is a proper subset of X
and B is a proper subset of Y.
Which of the following statements are true:
f(f^−1(B)) = B
f^−1(f(A)) = A
So X and Y are Sets.
f:X-->Y is a transformation.
A is a proper subset of X
and B is a proper subset of Y.
Which of the following statements are true:
f(f^−1(B)) = B
f^−1(f(A)) = A
