Does this graph show a function? Explain how you know.
O
A. Yes, the graph passes the vertical line test.
O
B. No; there are y-values that have more than one x-value.
O
O
C. Yes; there are no y-values that have more than one x-value.
D. No; the graph fails the vertical line test.

Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.