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Mathematics 9 Online
OpenStudy (icalibear):

What is the function rule for this table? x | y ---- 1|1 2|5 3|9 4|13 5|17 I know that x is increasing by 1 and y is increasing by 4 but how do I write this as a function? f(x)= ??? thanks everyone

OpenStudy (anonymous):

f(x) = 4(x-1) + 1

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