Please help me with this one

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

State which of the following sets of ordered pairs represent a function.set a: (5,2), (4,3), (3, 4), (2,5)set b: (-1, -6), (0, 2), (1, 2), (3, 6)set c: (2, 1), (4, 2), (2, 3), (8, 4)a. set cb. set bc. set ad. set a and set b.