If the parent function is y = 3x, which is the function of the graph?

2÷6+1/2 to the second power plus one

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

This is so hard and it’s for a test