X > 5 or x < -3
Hope this helped! :)
Im so sorry but I didn't learn that yet
In order to be considered a semi-conductor the material must have insulator and conductor properties, So the answer would be A,
A unit cost<span> is the total expenditure incurred by a company to produce, store and sell one </span>unit<span> of a particular product or service. </span>Unit costs<span> include all fixed </span>costs<span>, or overhead </span>costs<span>, and all variable </span>costs<span>, or direct material </span>costs<span> and direct labor </span>costs<span>, involved in production.</span>