Evaluate sequences in recursive form

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Problem

{g(1)=4g(n)=g(n1)+3.2\begin{cases} g(1)=4 \\\\ g(n)=g(n-1) + 3.2 \end{cases}
g, left parenthesis, 3, right parenthesis, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
Do 4 problems