What statement is true about f(x)=2x

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.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

(x-5)1/2+5=2 what is a possible solution?