Does this graph represent a function? why or why not?

a. no, because it is not a straight line.
b. no, because it fails the vertical line test.
c. yes, because it passes the vertical line test.
d. yes, because it passes the horizontal line test.

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units