6. (10 points) What is the tightest upper bound in terms ofBig-O for the followingfunction? Explain your answer.f(x) = (log2(x + x + 2))x +

6. (10 points) What is the tightest upper bound in terms ofBig-O for the followingfunction? Explain your answer.f(x) = (log2(x³ + x³ + 2))x + 71?x â?? 17(x ? 12) 6. (10 points) What is the tightest upper bound in terms of Big-O for the following function? Explain your answer. \[ f(x)=\left(\log 2\left(x^{5}+x^{3}+2\right)\right) x+71 \sqrt{x-17}(x-12) \] 1 answer