Pls solve this question correctly instantly in 5 min i will give u 3 like for sure

Problem 1. Let f(sc,y, z) 2111(332 + y2 + 22). a) What is the direction of maximal increase of f at the point (1, 1, 1)? b) At the point (1, 1, 1), how far in the direction found in (a) do you need to go to obtain an increase of 0.1 in f? c) At the point (1, 1, 1), how far in the direction of (1, 1, 2) do you need to go to obtain an increase of 0.2 in f