If F(x) = (X - 9)⁴ + 9 , Find

question 253

Essay

If f(x) = (x - 9)⁴ + 9 , find the intervals where f is concave up and where f is concave down.

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Definitions:

Pathological Sign

An indication or evidence of a disease, disorder, or significant psychological problem.

Aloneness

A state of being alone or isolated from others, which can vary in its emotional impact on an individual, from being a positive, introspective experience to a source of loneliness and discomfort.

Defining Characteristic

A feature or quality that distinctly identifies and distinguishes an individual, concept, or phenomenon.

Finiteness

The state or quality of having limitations or bounds; recognizing the limits of one's life, resources, or abilities.