Does the given information represent a function?
(1,-2),(2,-1),(4,-8),(9,6),(4,8)< br />yes or no

No this is not a function because of the two 4 in the x values.

step-by-step explanation:

. your answer will contain x - and y -terms. (1 point) x ( ¿¿ 2 − 7 ) 2 +( y 2 − 9 ) 2 √ ¿ 12. what is the distance from the directrix (the crocodile river) to the point ( x , y )? write this equation. your answer will contain a y -term.