Given the recursively defined formula a1=−3, an=an−1+4, determine which option is the correct function notation.(1 point)

Responses

f(1)=−3; f(n)=f(n−1)+4
f left parenthesis 1 right parenthesis equals negative 3 ;  f left parenthesis n right parenthesis equals f left parenthesis n minus 1 right parenthesis plus 4

f(1)=−3; f(n)=f(an−1)+4
f left parenthesis 1 right parenthesis equals negative 3 ;  f left parenthesis n right parenthesis equals f left parenthesis a subscript n minus 1 baseline right parenthesis plus 4

a(1)=−3; f(n)=f(n−1)+4
a left parenthesis 1 right parenthesis equals negative 3 ;  f left parenthesis n right parenthesis equals f left parenthesis n minus 1 right parenthesis plus 4

f(1)=−3; f(n)=an−1+4

f(1)=−3; f(n)=f(n−1)+4