Let C be a positive integer. Consider the following two functions:
f : (−[infinity] , 14] - > R , f (x) = −C + x
g : (−[infinity] , 10] - > R , g(x) = −x² + C
f : (−[infinity] , 14] - > R , f (x) = −C + x
g : (−[infinity] , 10] - > R , g(x) = −x² + C