Question

How is the solution set of the sentence below described?

x + 5 < 7


{all numbers less than }

{all numbers less than 2}

{all numbers less than 7}

{all numbers less than 12}

none of these

Answer 1

{all numbers less than 2}

Explanation:

x can only be 2 or lower to make the sentence true

Answer 2

{all numbers less than 2}

Explanation:

x cannot be greater than 2, because it would go over 7