TS EAMCET 14-Sep-2020 Shift 1 Solved Paper

Consider the differential equation

dy

dx

=

1

ax+4y+7

and the following statements:
A) The given differential equation is linear in x
B) The given differential equation is not linear in y
C) The given differential equation is linear in y
D) eax is the integrating factor of the given differential equation.
Which one of the following options is true?