Which relation does not represent a function? 1 2 3 4 5 6 y = 3vx+1 - 2 у 3.2 4 5.1 6 7.4 8.8​

To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf