What is the inverse function f(x)=2x-10

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?