F(x)=(4x – 2)( 3 – 1) ; shifts 1 unit up.

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

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Witch represents the inverse of the function f(x)=1/4x-12