Is the relation a function? select yes or no for each relation 1. (3, 3), (3, -2), (-2, 4), and (1, -6) 2. (3, 3), (5, -2), (-2, 4), and (1, -2) 3. (3, 3), (5, -2), (-2, 4), and (5, 9) 4. (3, 3), (5, -2), (-2, 4), and (4, 9) need fast.

1. no. 3 maps to both 3 and -2

2. yes. all x-values map to exactly 1 val.

3. no. 5 maps to both -2 and 9.

4. yes. all x-values map to exactly 1 value

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98