Which of the following relations is not a function?
a.
(-3, 4), (0, 2), (6, 1), (-7, 5)

b.
(0, 4), (-3, 2), (0, 1), (-7, 2)

c.
(-7, 4), (0, 3), (-3, 1), (6, 2)

d.
(6, 4), (-3, 2), (0, 1), (-7, 2)

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step-by-step explanation:

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answer:   2 multiplied by x =24

step-by-step explanation:

step-by-step explanation:

at each of the parallel lines adjacent angles are supplementary. the angles have special names identifying their positions with respect to the parallel lines and transversal. they are corresponding angles, alternate interior angles, or alternate exterior angles. an angles is congruent to its matched angle.

answer: the proof is mentioned below.

step-by-step explanation:

since, given:   lines bc = ef

prove:   lines ac > ef

          statements                                           reason

1. bc=ef                                           1. given

2. ac= ab+bc                                 2. because b is the point between the  

                                                            line segment ac

3.   ac > bc                                       3. because if a line segment is equal to

                                                          the sum of two line segments then it is

                                                          always greater then each of these

                                                          individual line segments

4. ac > ef                                         4. by equality property.