Someone PLEASE help with these as fast as you can. thank you so much

The variable in a relation who’s value depends on the value of the independent variable is called what?

Using the figure below, select the two pairs of alternate interior angles.a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.