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you should click the first and third box because in order to check if something is a function, we have to look at the circles on the left and no number can have two lines pointing to it. there can only be one line per number. that is how i remembered it when i was in algebra 1
Answer:
Step-by-step explanation:
(2-4x)+(2-4x)+(-2x+8)=12-10x
The rays in the picture are:
<h3>What is a ray?</h3>
A ray is a line segment with arrow head. The arrow head helps in pointing to the direction of the ray. The arrow head may appear at the both ends of a ray signify that the ray continues in both direction.
Often times in the field of science, rays are used to signify direction, while the length of the line segment signify magnitude.
Bearing in mind that ray can be in one direction or two directions, we now look at the picture to point out the rays to be:
Read more on rays here: brainly.com/question/23536244
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