What is (f-g)(x)? F(x)=3x5+6x2-5
G(x)=3x5-5x4+3x2-15

What is (f•g)(x)?
F(x)=x3-4x+2
G(x)=x2-6

What is (f + g) (x)?
F(x) = 2x3 - 4x
G(x)=x3+2x2-10
Enter your answer in standard form in the box.

Can someone answer these problems for me

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 expression is not a polynomial?