What is the effect on the graph of f(x) if it is changed to f(x) + 7 and f(x + 7)?

1. what are the missing reasons in the proof 2. it's in the second picture and 3

The verbal translation for the difference of m and 7 increased by 15

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on