\(Let f(x) = 3x^2 - 7 and g(f(4)) = 9. What is g(f(-4))?\)
f(x) is an even function, meaning that it is symmetrical about the y axis.
becasue \(3(+x)^2-7=3(-x)^2-7.\)
so f(4)=f(-4)
so g(f(4))=g(f(-4))=9
