Let f(x) = x2 and g(x) = 3x + 2 be two real functions. Then, find:
(i) (f + g)(x)
(ii) (f - g)(x)
(iii) (fg)(x)
(iv) (f/g)(x)
(i) f(x) + g(x) = x2 + (3x + 2) = x2 + 3x + 2
(ii) f(x) - g(x) = x2 - (3x + 2) = x2 - 3x - 2
(iii) f(x) · g(x) = x2(3x + 2) = 3x3 + 2x2
(iv) f(x)/g(x) = x2/3x + 2