+961 An arithmetic sequence is given:
0.9, 1.4, 1.9, 2.4, . . . .
Identify the recursive formula for this sequence.
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0.5 is being added each time. So I think that the answer you are after is
$$X_0=0.9,\qquad X_n=X_{n-1}+0.5$$
+118677 FIRSTLY - DO NOT GIVE NEGATIVE POINTS TO PEOPLE WHO ARE TRYING TO HELP YOU!
IF YOU THINK THAT THEIR ANSWER IS WRONG AND YOU WANT TO COMMENT THEN DO SO WITH A COMMENT POST. THAT WAY THEY CAN LEARN TOO!
0.5 is being added each time. So I think that the answer you are after is
$$X_0=0.9,\qquad X_n=X_{n-1}+0.5$$
