1.Let A={1,2,3,4}A = \{1, 2, 3, 4\}A={1,2,3,4} and B={1,4,9,16}B = \{1, 4, 9, 16\}B={1,4,9,16}. Then the number of many-one functions f:A→Bf: A \to Bf:A→B such that 1∈f(A)1 \in f(A)1∈f(A) is equal to:Login to continueOnly logged in users canattempt or see the solution.
