Question 16 (1 point) If f(x) = x" - 1 and g(x) = x+ 1, for what value(s) of x are fig(x)) and g(f(x)) equal? *= *= Ox = 0, 1 Ox = 0 Question 17 (4 points) Show that there is no value of x for which /(x) = -- and g(*) = -x have tangents with the same slope. A/