A = (a, b, c, d] X= [1, 2, 3, 4} Select the definition for f that is a well-defined function. O 1) f = ((a, 2), (b, 3), (d, 1)) 2) f = {(a, 2), (b, 3), (b, 3), (d, 1)) 3) f = {(a, 2), (b, 3), (c, 3), (d, 1)) 4) f = {(a, 2), (b, 3), (c, 3), (1, d))

A function f: {1,2,3,4} is defined by f(1) = 6, ƒ(2) = 7, f(3) = 8, ƒ(4) = 6. Drag the answers into the right place for the following questions ƒ({3,4}) = ƒ¯¹({5,8}) = ƒ(ƒ˜¯¹({7,8})) = ƒ˜¹ (ƒ({1,3})) =| {4} {5,6,7,8} {1,3,4} {8} {7,8} {6,8} {3,4} {5,6} {5,6,7,8} {2,3} {3} {6} {1,3}

The graph shows the salary comparison of Miguel and Christian, who both work after school washing cars. Miguel's earnines are defined by the function fix), and Christian's earnings are defined by the function go), where x is the total number of hours worked. Salary Comparision 75 60 fx) -glx) 45 30 15 05 1 1.5 When will Miguel's earnings exceed those of Christian? O after 1 hour O after 1.5 hours O after 2 hours O after 2.5 hours https://student.masteryconnect.com/ Type here to search

Consider functions f:{1,2,3,4,5,6,7}→{a,b,c,d,e,f}. How many functions have the property that f(1)≠c or f(2)≠f?