Given a point C in the plane and a number r > 0, the circular region (or disk with center C and radius r is the set of all points in the plane whose distance from the point C is less than or equal to r The boundary of a disk is a circle. The area of a circle refers to the area of the disk defined by the circle.

d. you cannot tell because there are no values shown.

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.

answer:

the product of -35 and -625 is positive.