which rule represents the translation of hexagon defghi to hexagon d'e'f'g'h'i'?

a. (x, y) there's an arrow here (x+4, x-2)
b. (x, y) arrow (x-7, y+7)
c. (x, y) arrow (x+2, y-4)
d. (x, y) arrow (x+7, y-7)

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.