Hello people fr point

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?