Find the First and Third Partial Sums, S1 and S3 $a _ { n } = \frac { n ^ { 2 } } { n + 4 }$

Multiple Choice

Find the first and third partial sums, s1 and s3, for the sequence
- $a _ { n } = \frac { n ^ { 2 } } { n + 4 }$

A) $\frac { 1 } { 5 } , \frac { 9 } { 7 }$
B) $\frac { 1 } { 5 } , \frac { 1 } { 15 }$
C) $\frac { 1 } { 5 } , \frac { 226 } { 105 }$
D) $\frac { 1 } { 5 } , \frac { 7 } { 5 }$