Asked by Eric

Whats the function rule when inputs 2,3,4,5 and outputs 2,5,8,11?

Answers

Answered by Reiny
notice that the difference in your inputs in 1, while the difference in your outputs is 3
so you have a slope of 3

let's start with y = 3x + b
when x = 2, y = 2
so
2 = 3(2) + b
-4 = b

f(x) = 3x - 4

check with a few values.
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