For the function F defined by F(x)=x^2−2x+4, find F(b+3). A. 4
B. b^2−2b+7
C. b^2−2b+19
D. b^2+4b+7

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total