Which of the following gives a set of numbers that are all solutions of the inequality x + 6 < 9 ?

Question

a. { -10, -7, -2, -1 }
b. { -6, -3, 0, 3 }
c. { -5, -1, 3, 6 }
d. { 4,7, 10, 16 }

Answer 1

x + 6 < 9 Subtract 6 to both sides

x + 6 - 6 < 9 - 6

x < 3

All numbers less of 3

Answer a