Answer:
To purchase 4 pairs of jeans at Fashion for all would cost you $52, while buying 4 pairs of jeans from designer pants would cost $104.
Step-by-step explanation:
Fashion for all jeans:
1=13
2=26
3=39
4=52
Designer jeans
1=26
2=52
3=78
4=104
All real numbers greater than or equal to -8. You can see 3 is a minimum point because at 3 the numbers start to increase again. -8 is the lowest number and the function is increasing as x approaches infinity starting at 3.