I want to ask a question

Asequence is defined recursively by the formula  f(n  +  1)  =  f(n)  +  3 . the first term of the sequence is  –4. what is the next term in the sequence? –7–117

Landon wrote that 3−2.6=4. which statement about his answer is true?

Convert the density of surface sea water to metric tons/cubic meter