Question

10. Write a rule for the funtion represented by the table
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l x l y l
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l o l 9 l
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l 1 l 28 l
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l 2 l 47 l
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l 3 l 66 l
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+ y = 9 + 19x
o y = 18 + 10x
o y = 19 + 9x
o y = 10 + 18x

Is it a, y = 9 + 19x?
R_scott
yes