Hello,
slope=2
y-1=2(x-4)
==>y=2x-8+1
==>y=2x-7
or 2x-y=7
No se porque no se me van a hacer nada de eso
ANSWER
EXPLANATION
The given function is
We rewrite this function to obtain,
We now compare this function to
We have
This implies that,
The vertex is (2,-11).
The focus is