-1,2:1/3*(-2):4,5
0,1:(-10)+81:(0,9):(-3)*(-0,01)
4,4-2,4:(-0,24)+(-1212):(-12)

Which of the following represents the range of the graph of f(x) below

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?