Identify an expression that is equivalent to each given expression. Drag an equivalent expression into each box.
Please help. :(

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?