If f(x)= 4x+9+2, which inequality can be used to find the domain of f(x)? 4x20
4x+920
4x>0
4x+9+220

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