Alex used a regression calculator to find the equation of the trend line y -ax+b for the data in the table. He rounded the values for a and b on his calculator as shown below.
a - 1.7
b-6.2

Which trend line compares the data in the table?
s-1.78+82
s-6.2f+1.7
f-1.75+6.2
f-6.25 +1.7