Solve the Compound Inequality $76,89,62$ , And $77 .$ There Is Still a Final Exam, and It Counts as to Express

question 149

Multiple Choice

Solve the compound inequality. Other than ∅, use interval notation to express the solution set and graph the
solution set on a number line.
-On the first four exams, your grades are $76,89,62$ , and $77 .$ There is still a final exam, and it counts as two grades. You are hoping to earn a $\mathrm { C }$ in the course. This will occur if the average of your six exam grades is greater than or equal to 70 and less than 80 . What range of grades on the final exam will result in earning a C?

• A) \([ 58,88 )\)
• B) \([ 58,88 ]\)
• C) \([ 46,96 )\)
• D) \([ 46,96 ]\)

---

Definitions:

Collecting Ducts

A network of tubules and ducts that function in the kidney to transport urine from the nephrons to the renal pelvis.

ADH

An acronym for Alcohol Dehydrogenase, an enzyme involved in metabolizing alcohol by converting it into acetaldehyde.

Bone

A rigid organ that constitutes part of the vertebrate skeleton, providing structure, protection to the body, and aiding in movement.

Calcitonin

A hormone secreted by the thyroid gland that helps regulate calcium levels in the body by inhibiting bone breakdown and calcium release.