solve this :-

Paragraph for Question 32 to 34
$f \left(\mathrm{x}\right) =\frac{{\mathrm{x}}^2+1}{\mathrm{ax}}\left(\mathrm{a}\ne 0\right) ; \mathrm{g} \left(\mathrm{x}\right)=3\mathrm{secx}; \mathrm{h}\left(\mathrm{x}\right)=\frac{\mathrm{x}+3}{\mathrm{x}-4}.$
on the basis of above information, answer the following question :

32. If range of (x) and g(x) are equal set then 'a' is equal to-
     (A) 3              (B) – 2/3                 (C) 3/2               (D) – 3/2   
        
33. f (x) is one- one if -
       (A) x$\in \left(0,\infty \right)$              (B) x $\in \left(-\infty ,0\right)$                  (C)  x $\in \left(1,\infty \right)$         (D) x $\in \left(-\infty ,1\right)$ 
            
34. Which the following is always false ?
   (A) h (x) in one-one
   (B) f (x) in one-one if x > 10
   (C) g (x) is many -one if x $\in \left(0,\frac{\mathrm{\pi }}{2}\right)\cup \left(\frac{\mathrm{\pi }}{2},3\right)$
   (D) The values of k for which f (x) = k has exactly one solution is k = 2 or k = – 2