Describe in Words the Region Of $\mathbb { R } ^ { 3 }$

question 81

Essay

Describe in words the region of $\mathbb { R } ^ { 3 }$ represented by the inequality $1 \leq x ^ { 2 } + y ^ { 2 } + z ^ { 2 } \leq 25$ .

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Definitions:

Joseph Schumpeter

An economist known for his theory on business cycles and for coining the term "creative destruction" to describe the process of innovation in economics.

Innovations

The process of translating an idea or invention into a good or service that creates value or for which customers will pay.

Clusters

Geographic concentrations of interconnected companies, specialized suppliers, and service providers in a particular field that are thought to increase competitiveness and innovation.

Old Navy

A popular clothing and accessories retailer known for offering fashionable and affordable apparel for the entire family.