It's maths. A motorcycle covers 90 Km in 2 liters of petroleum in how many liters of petrol will it cover 225 km?

Which statement is true about the local minimum of the graphed function? over the interval[-4,-2], the local minimum is 0. over the interval [-2,-1] , the local minimum is 25. over the interval [-1,4], the local minimum is 0. over the interval [4,7], the local minimum is -7