What are the values of a, b and c in the quadratic function y =
5
2
x
2 + 13x + 4.

a. a=13, b=5
2
and c=4 c. a=4, b=5
2
and c=13

b. a=
5
2
, b=13, c=4 d. a=13, b=13and c=5