One lap around an indoor track 0.15 mile. Brett runs 9 laps around the track

Suppose that f(0) = −3 and f '(x) ≤ 8 for all values of x. how large can f(4) possibly be? solution we are given that f is differentiable (and therefore continuous) everywhere. in particular, we can apply the mean value theorem on the interval [0, 4] . there exists a number c such that

Can someone check my answer? you : )

Which of the functions graphed below has a removable discontinuity?