Determine Whether the Statement Is True or False

question 37

Essay

Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false.
If the graph of f is concave downward on (a, b), then the graph of - f is concave upward on (a, b).

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Definitions:

Mobile Device

A portable computing device such as a smartphone or tablet, which has wireless internet connectivity.

Internet of Things

An interconnected system of tangible items equipped with monitoring devices, computer programs, and various technologies designed to communicate and share information with other gadgets and systems via the web.

IoT

Internet of Things, a network of physical devices, vehicles, home appliances, and other items embedded with electronics, software, sensors, and connectivity, enabling these objects to connect and exchange data.

Dematerialization

The process of reducing the use of physical resources in the production and consumption of goods and services, often through digital means.