Question

In which set do all values make the inequality 5x+2<10 true?

1. {0, 1/5, 2/5}
2. {0, 1, 2}
3. {1, 2, 3}
4. {1, 1 3/5, 2}

Answer 1

1. {0, 1/5, 2/5}

Explanation:

all other answers have a 2 in them and 5(2)+2 is 12 so it wouldn't be less than 10