Answer:
65.37 isn't an estimated price, it's an exact price....
F(n)=3n-2
Plug in 2 for n. f(2)=3(2)-2=4
Http://mrdealy.weebly.com/uploads/2/3/5/2/23520438/geom._ch._3_angle_diagrams__3.8_worksheet.pdf
That is point slope form
y-y1=m(x-x1)
passes through the point (x1,y1) and has a slope that is m