2. Lindsay, who is the youngest member of the softball team at King's Fork High School, is 7 years less than one-third the age of the coach. If the coach is n years old, which expression
describes Lindsay's age?

F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright

The anwser cause i do not understand just plez

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4