Find f(-3) for f(x) = x2 -3x +7

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!