Solve the Problem $f ( x ) = - x - 7$

question 125

Multiple Choice

Solve the problem.
-Suppose that $f ( x ) = - x - 7$ and $g ( x ) = x - 18$ .
(a) Solve $f ( x ) > 0$ .
(b) Solve $g ( x ) > 0$ .
(c) Solve $f ( x ) \leq g ( x )$ .

• A) (a) \(x < - 7\);
• (b) \(x < - 18\);
• (c) \(x \leq 5.5\)
• B) \(( a ) x > 7\);
• (b) \(x > 18\);
• (c) \(x > 5.5\)
• C) (a) \(x < - 7\);
• (b) \(x > 18\)
• (c) \(x \geq 5.5\)
• D) (a) \(x < - 7\);
• (b) \(x < 18\)
• (c) \(x \geq - 12.5\)

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Definitions:

Pituitary Gland

A small, pea-sized gland located at the base of the brain, known as the "master gland," it plays a crucial role in regulating vital body functions and hormones.

Hypothalamus

A region of the brain that plays a central role in controlling hunger, thirst, sleep, body temperature, and other autonomic nervous system functions.

Leptin

A hormone that plays a key role in appetite and metabolism.

Appetite

A natural desire to satisfy a bodily need, especially for food.