Hey yall! i really need help with this. show your work, please hnmnkcdc

Which graph corresponds to the function f(x) = x2 + 4x – 1?

I'm confused on this could anyone me and show me what i need to do to solve it.

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy