A bridge is modeled by f(x)=10−0.1x2f(x) = 10 - 0.1x^2f(x)=10−0.1x2. What is the average height between x=−5x=-5x=−5 and x=5x=5x=5?
6.256.256.25
8.338.338.33
9.179.179.17
7.57.57.5