What is the placement value of 8 into 8743

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?