Determine All Real Values of the Variable for Which the Function

question 103

Multiple Choice

Determine all real values of the variable for which the function has the value indicated.
- $$h ( a ) = 5 a ^ { 2 } + 12 a + 6$$

• A) \[\frac { - 6 \pm \sqrt { 66 } } { 5 }\]
• B) \[\frac { - 6 \pm \sqrt { 6 } } { 5 }\]
• C) \[\frac { - 12 \pm \sqrt { 6 } } { 5 }\]
• D)no real numbers

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Definitions:

Extracellular Ca2+

Calcium ions found outside of cells, crucial for various cellular processes including muscle contraction, neurotransmitter release, and blood coagulation.

Cardiac Muscle Contraction

The process by which heart muscle cells contract to pump blood, regulated by electrical impulses and calcium ions.

Sarcoplasmic Reticulum

A network of tubules and sacs found within muscle cells, involved in the regulation of calcium ions to facilitate muscle contraction and relaxation.

Sarcolemma

Plasma membrane of a muscle fiber.