Identify the axis of symmetry of the parabola.

y = −3

x = −3

y = 3

x = 3

Nellie is analyzing a quadratic function f(x) and a linear function g(x). will they intersect? f(x) g(x) graph of the function f of x equals one half times x squared, plus 2 x g(x) 1 5 2 10 3 15