4x+ 2( 3 – 3x) = 6 answer

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.