Evaluate the double integral 
for the given function f(x, y) and the region R. f(x, y) = 6x + 12y; R is bounded by x = 1, x = 3, y = 0 and y = x + 1.
Definitions:
Information Systems
Integrated sets of components for collecting, storing, and processing data, and for delivering information, knowledge, and digital products.
Information Technology
The employment of computers, storage systems, networking components, and additional physical devices, infrastructure, and methodologies to generate, process, secure, store, and share various kinds of digital data.
Right-To-Repair Legislation
Laws designed to require manufacturers to provide consumers and independent repair shops access to repair information, tools, and parts for their products.
Right Information
Accurate and relevant data that is accessible at the correct time for decision-making or problem-solving.
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