Question

Which compound inequality best describes the following?

If the temperature is at or above 84°F or below 75°F, then the samples are no longer usable.

A. 75 < x < 84

B. 75 _< x < 84

C. x < 75 or x _> 84

D. x _> 75 or x < 84

Answer 1

I think it might be A: 75< x<84

Explanation:

but i am not sure