Question

If f(x) = x2 and g(x)= 3x + 1, which expression represents g(f(x))?

Answer 1

F(x)=x²
g(x)=3x+1

g(f(x))=g(x²)=3x²+1    -    we just put x²  instead of x

ans.: B




Regards, M.Y.