Arational expression is undefined whenever it’s denominator is zero true or false

Aline passes through 3,7 and 6,9 what equation represents the line

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose

I’m stuck on this equation, anyone got the answer?