Which function describes the graph below?

A. F(x)=6cos(x)
B. F(x)=3cos(x)+3
C. F(x)=6sin(x)
D. F(x)=3sin(x)+3

What is the y-coordinate of the solution of the system of equations? [tex]y = 2x + 14 \\ - 4x - y = 4[/tex]y=

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

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.