Question

i just want to know what the question wants me to do

Answer 1

well each function have something and u help ur friend to solve like
like how to solve :-
\(f(x)=x^2-a^2\)
\(g(x)=x^2+a^2\)
\(h(x)=(x-a)^2\)
\(j(x) = (x-a)(x-b)\)

Answer 2

i teach him how to solve each function ?

Answer 3

yep , just det up how u solve each one of those