Question

Identify the solution set of the inequality using the given replacement set.


x < –7; {–10, –7.2, –7, –6.9, 6.5, 9}



A. {–10, –7.2}

B. {–10, –7.2, –7}

C. {–7, –6.9, 6.5}

D. {–6.9, 6.5}

Please help? DDD:

Answer 1

`-10 < -7 \to true \\ -7.2 < -7 \to true \\ -7 < -7 \to not \ true \\ -6.9 < -7 \to not \ true \\ 6.5 < -7 \to not \ true \\ 9 < -7 \to not \ true \\ \\ \{-10,-7.2 \} \Rightarrow \hbox{the answer is A}`