Question

Solve (x + 2 < 5) ∩ (x - 7 > -6).
a. {x | 1 < x < 3}
b. {x | x < 3 or x > 1}
c. {all real numbers}

Answer 1

a is correct because x must be greater than 1 so you get > -6, but have to be smaller than 3 so you get <5.

Answer 2

thank you:)