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Mathematics 11 Online
OpenStudy (anonymous):

The table shows the outputs y for different inputs x:Input (x) 2 4 6 8 Output (y) 1 2 3 4 Part A: Do the data in this table represent a function? Justify your answer. Part B: Compare the data in the table with the relation f(x) = 3x – 10. Which relation has a greater value when x = 8? Part C: Using the relation in Part B, what is the value of x if f(x) = 80?

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