The Speed of a Car at Time T, 5 $\le$ T $\le$

Short Answer

The speed of a car at time t, 5 $\le$ t $\le$ 20, is given by $f ( t ) = - 2 ( t - 10 ) ^ { 2 }$ .The Mean Value Theorem guarantees that there will be a point in the interval [5, 20] when the instantaneous acceleration is equal to what number?