Which of the following functions from A to B are one-one and onto? f1={(1,3),(2,5),(3,7);A={1,2,3},B={3,5,7}
Mixed-up sentence exercise
Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.