X-12 +5x=90
That’s the set up
Let me know if you need more help
The perimeter is 10 +10+9+9 so its 38
The answer would be 11
11-16=-5
hello :
at the point where a=2 y = 4(2)-5 =3 (commun the curve and the tangent)
so :f(2) = 3
f'(2) =4 (slope of the tangent )
