(a) A curve with equation )2 = f (1:) passes through the point (4, 9}. Given that * __ 9 f(x) 2 M +Z x>0 Find x), giving each term in its simplest form. (5) (a) A curve with equation )2 = f (1:) passes through the point (4, 9}. Given that * __ 9 f(x) 2 M +Z x>0 Find x), giving each term in its simplest form