Question

Select the explicit expression for the sequence {4, 9, 14, 19...}. (1 point)
Responses

f(1)=5, f(n)=f(n−1)+4 for n>1
f left parenthesis 1 right parenthesis equals 5 , f left parenthesis n equals f left parenthesis n minus 1 right parenthesis plus 4 for n greater than 1

f(1)=4, f(n)=f(n−1)+5 for n>1
f left parenthesis 1 right parenthesis equals 4 , f left parenthesis n equals f left parenthesis n minus 1 right parenthesis plus 5 for n greater than 1

f(n)=5+4(n−1)
f left parenthesis n equals 5 plus 4 times left parenthesis n minus 1 right parenthesis

f(n)=4+5(n−1)

Answer 1

f left parenthesis n equals 4 plus 5 times left parenthesis n minus 1 right parenthesis