Plsss helpp and explain

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

Which graph corresponds to the function f(x) = x2 + 4x – 1?