Why did the scientsit creat an exact duplicate of himself

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Which will form a composite function?