an airline allows each passenger to have a suitcase weighing no more than 45 ibs if hank needs to lower his suitcase weight by 4
2 answers:
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Look at the attachment
9. Not a function
10. Is a function
11. Not a function
12. Is a function
9. Not a function
10. Is a function
11. Not a function
12. Is a function
Use this 3 following steps:
1)At first, we should find the roots :
3x+8=0 => x=-8/3
x-4=0 => x=4
2)Using a chart for the limits:
photo
3)choose your solution:
[-8/3,-4)==> Sentence 3 is correct
