Subtract 9/14 by 1/14.Make sure your answer is fully reduced. Plz help me :(

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Which inequality has a dashed boundary line when graphed ?