Answer:
Yes
8 ft
Step-by-step explanation:
The equation of the arch is
Differentiating with respect to we get
Equating with zero
Double derivative of the equation
So, the function is maximum at
The function is maximum at
So, the truck's center should be below the point for maximum width to pass through.
Now truck is 11 feet tall so
The maximum width of the truck can be if it is 11 feet tall.
So, the truck which has a width of 7 feet can fit under the arch.