George moved to a new house. He tracked his electricity consumption over a period of 14 months. Consider the graph below which shows the relationship between his monthly electricity consumption, y, and X, which represents the number of months since he
started tracking
670
655
640
625
Electricity consumption (kWh)
610
595
580
X
0
2 4 6 8 10 12 14
Number of Months
Which of the following describes the graph?
OA.
a function only
OB
a relation only
OC
both a relation and a function
OD
neither a function nor a relation

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel