Question
according to data from the national safety council, the fatal-accident rate per 100,000 licensed drivers can be approximated by the function
f(x)=.0328x^2 - 3.55x + 115, where x is the age of the driver (16< or equal to x < or equal to 88). at what age is the rate the lowest?
f(x)=.0328x^2 - 3.55x + 115, where x is the age of the driver (16< or equal to x < or equal to 88). at what age is the rate the lowest?