NEDGARI unscramble thank u :)

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function