Use quadratic regression to find a function that fits the following
points.
(-2,-16), (3,11), (0,2)
y = [ ? ]x2 +[ ]x + []

Look at attachment. has all info needed. need

What are the domain and range of the function f(x)=2^x+1

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?