Asked by Mr.Sonyericson

Mathmatical pattern
4,6,9,13,18
I need formula as in y=x....
Answered by Ms. Sue
We showed you the mathematical pattern.

What do y and x represent?

I don't know what formula you need.





Answered by Mr.Sonyericson
I need an equation because I have to graph the change on a number line.
Answered by Reiny
y = (x^2 + x)/2 + 3

if x=5 for term5
y = (25+5)/2 + 3 = 18
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