(i) f(x) = 2 – 3x, x ∈R, x >0. (ii) f(x) = + 2, x is a real number. (iii) f (x) = x, x is a ...

(i) t(0) (ii) t(28) (iii) t(–10) (iv) The value of C, when t(C) = 212.

(i) f (0) (ii) f (7) (iii) f (–3)

(i) f(x) = – |x| (ii) f(x) = √().

(i)  {(2,1), (5,1), (8,1), (11,1), (14,1), (17,1)} (ii)  {(2,1), (4,2), (6,3), (8,4), (10,5), (12,6), (14,7)} (iii)  {(1,3), (1,5), (2,5)}.