Given: def df = ef prove: 3 = 4 which of the following statements would be the reason in line 4 of the proof? definition of supplementary. two ∠'s supplementary to equal ∠'s are = substitution

2

step-by-2step explanation:

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x