jakayla-conquest documents

DEFINITION Let f : A B and let X A and Y B. The image (set) of X is f(X) = {y B : y = f(x) for some x X} and the inverse image of Y is f –1 (Y)
Documents DEFINITION Let f : A B and let X A and Y B. The image (set) of X is f(X) = {y B : y = f(x) for some x X} and the inverse image of Y is f –1 (Y)