Question

identify the function f(x)
j(x) = square root f(x)= square root of ln(x^2 + 4)

Answer 1

j(x) = square root f(x)= square root of ln(x^2 + 4)
if
j(x) = square root A= square root of B
is A=B ? yes or no?
then
fx)= ?......is it ln(x^2 + 4) ? yes or no?

Answer 2

I'm not sure, can you elaborate on your response