4. Which of these is not like the other? Explain. Option 1: {(1,-20), (2,-15), (3,-10), (4,-5), (5,0)} Option 3: ³ (3) Ax) = 3 Option 2: 3 (v-1)=(x-7) Option 4: -5-3-2 Option 1 because it is a continuous function where as the rest of the functions are discrete. Option 4 because it has a y-intercept at (0,-3) while the rest have a y-intercept at (0,1). Option 3 because it is an exponential function where as the other options are linear functions. Option 2 because it is neither linear nor exponential and the rest of the options are. 5 4 3 2 1 T? 1 2 3

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