C. Directions: Determine which of the following relations is a function. Write Fif it is function and R if it is just merely. relation. S = {(3,1), (2,1), (1,1)} Answer: 2. M = {-2,0), (-3,1), (-4,2), (-3,3)} Answer: 3. A = {(4,2), (8,4), (16,8)} Answer: F R = {(-5,-6), (-5, -12), (-5,-15)} Answer: 5. T = {(10,-5), (15,0), (20,5)} Answer: 1. 4.

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