Greg's soccer team is selling sets of 3 raffle tickets for $5.00. what is the constant of proportionality of dollars per ticket?

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120