(46 points) (1 mark) Determining whether the following Relation represents a function {(x, y) ly = f(x) x E domaine of f } = { (1, 2), (2, 7), (3, 2), (5, 7), (2, 8) } lo a) Function: domain={1, 2, 3, 5, 7} . c) Function: domain= {2, 7, 2, 8 } range= {2, 7, 2, 8} range= {1, 2, 3, 5, 7} . b) Not a function . d) Function: domain={1, 2, 8, 5, 7} range= {2, 7, 2, 8} (2 marks) Let f (x ) = - x - 5 x - 1 . a) The domain of f is {x | x * -1} . c) The domain of f is {x | x * 5} . b) The domain of f is {x | x * 1} . d) The domain of f is {a | x * -5} ( 2 marks) Find the domain and the range of the following function . a) Domain: (-0o, 3), range: (-00, 3] . c) Domain: (-0o, 3], range: (-0o, 3] . b) Domain: (-0o, 3), range: (-00, 3) . d) Domain: (-oo, 3], range: (-00, 3] ( 1 mark) Let f(x) = vx - 1 then f(10) = . a) Doesn't exist . c) V-4 . b) V8 . d) 3