Perform the Indicated Operation $( \sqrt { 7 } + 5 ) ( \sqrt { 7 } - 5 )$

question 262

Multiple Choice

Perform the indicated operation. Assume that all variables represent positive real numbers.
- $( \sqrt { 7 } + 5 ) ( \sqrt { 7 } - 5 )$

• A) \(7 - 2 \sqrt { 5 }\)
• B) \(- 18\)
• C) 2
• D) 32

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Definitions:

Smooth Muscle

A type of muscle tissue which is not under voluntary control, found in the walls of internal organs and blood vessels.

Skeletal Muscle

Muscle tissue that is attached to bones, primarily responsible for voluntary movements through contraction.

Cardiac Muscle

A specialized form of striated muscle found in the heart, characterized by its ability to contract involuntarily and rhythmically, facilitating blood circulation.

Autorhythmic

Spontaneous and periodic—for example, in smooth muscle, spontaneous (without nervous or hormonal stimulation) and periodic contractions.