Mình cần câu d ( những câu khác lm hay kh đều đc )

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

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)