Question

Consider the function f(x)= x³ +3x²+3. Find the equation of the normal line at the point (1,7).
a) ○y=9x-2
b) ○y = - + 62²2
9+9
c) y =
*
e) y =
9
I
d) y = -9x+16
62
9
3. +
64
9