What is the vertex for this function? y = 3x^2 + 12x + 5 The answer can't be (-2, -7) it's not an option

(2, 41)
(2, 7)
(-2, 41)
(-2, 7)

The manager at gabriela's furniture store is trying to figure out how much to charge for a book shelf that just arrived. the book shelf was bought at a wholesale price of $ 1 4 7 . 0 0 $147.00, and gabriela's furniture store marks up all furniture by 6 0 % 60%. at what price should the manager sell the book shelf?