Which of the following are functionsa. [(-2,3)], [(-1,5)], [(0,7)], [(1,9)]b. [(-3,3)], [(3,3)], [(0,0)], [(1,1)], [(-1,1)]c. [(-2,5)], [(-1,4)], [(0,3)], [(-1,2)], [(-2,1)]

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

Identify the number as a rational or irrational.explain. 127

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