Hopefully easy for yall The number of toys sold per month can be modeled by f(x) = 3x4 + 2x3 + 5x + 10, where x represents the number of months since June. Let g(x) = f(x) + 3. Which of the following gives the rule for g and the correct explanation of the meaning of the transformation in terms of monthly toy sales? 3x4 + 2x3 + 5x - 7 vertical shift 3 units down decrease of 3 units per month 3x4 + 2x3 + 5x + 3 vertical shift 3 units up increase of 3 units per month 3x4 + 2x3 + 5x + 7 vertical shift 3 units down​