<u>Answer:</u>
Yes
<u>Step-by-step explanation:</u>
In above image use vertical line test to identify whether a relation is a function or not . Vertical line test means draw various vertical lines in graph and it must cut graph only once i.e. every vertical line must intersect graph only once . if lines intersects graph in more than 1 point than relation is not a function . In short, a relation is a function iff for every value of x there's only one value of y , for any case x has 2 or more than 2 values of y it's <u>not a function.</u>
I think you want to prove that a rectangle is a quadrilateral. You can prove this with definitions. The definition of a quadrilateral is that it is a shape with four sides. Since a rectangle has four sides, that proves that a rectangle is a quadrilateral.
The ration is 12 muffins to every 21 donuts
Answer:
18-20=-2
Step-by-step explanation:
18-20=-2
18+(-20)=-2