Graphs of Functions

Looking for a detailed step by step solution if possible, it's just an awkward question and I can't figure it out at all

Hello all, I'm hoping someone can help me with this issue I've been having for a few days: I have this function in Desmos: https://www.desmos.com/calculator/h2owg1no4t If you parse through the inputs,...

I need to use a substitution method to prove and show that T(n) is in O(n³) for$T(n) = 2T(\lfloor \frac{n}{2} \rfloor) + 5n^3 $ for n ≥ 2, T(1) = 20I am supposed to come up with an explicit guess for...

solve all parts please

thanks