The function f f\,f is defined by
f(x)=2x2−3xf(x) = 2x^2 - 3xf(x)=2x2−3x, x∈Rx \in \mathbb{R}x∈R, 0≤x≤40 \leq x \leq 40≤x≤4
Using set notation, find the range of fff.
Determine whether f f\,f has an inverse. Fully justify your answer.