Respuesta :

ponyluvver1007
I can help with the piecewise function
I don't think I can correctly format it very well on my computer so I can give you the points if you can fill it in correctly.

f(x)=4      if x≤-2
f(x)= -x    if -2<x<2
f(x)= -3    if x≥2

Hopefully this helps. I don't think I can help with problem #1. Sorry
bsjsjsdjjd
Y=844.607x^2+3723.485x-13560

Y=844.607(8)^2+3723.485(8)-13560

Y=540548.85+2978788-13560
Y=556777 dollars