Which function is represented by the graph?me. i understand functions i just dont understand the "if" parts

The correct answer is third function 2x if x<0 anf 4 if X≥0

The function 2x worth for domain x<0 ( or has domain x<0)

The function 4 is linear graph parallel with x axis and worth for domain x≥0

Good luck!!!

50- 250 is correct i did that one too

step-by-step explanation:

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