What is the equation of the line that passes through the point (- 2, - 1) and has a slope of 1

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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.

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis