The graph shows the height of a plant over time. What is the unit rate?

Given the graph below state whether or not the relation is a function, and give the domain and range.

Asap 25 pts + brainlest to right/best answer

1234567891011 match the reasons with the statements in the proof. given: j | | k m 1 = m 3 prove: l | | m 1. j||k, m∠3 = m∠1 if lines are ||, then corresponding angles are =. 2. m∠1 = m∠2 if alternate interior angles are =, then lines are ||. 3. m∠2 = m∠3 substitution 4. l||m given