Which function is a quadratic function? A. s(x)=−(x−6)+3(x+1)
B. q(x)=(2x+4)3+3
C. r(x)=(−6x−4)4+3(x+2)2
D. t(x)=(x−4)2+3

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?