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.
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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