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Prototypes are used to

a. communicate a solution.
b. test the operation of a product.
c. identify a need.
d research a problem.

User Chakrit
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2 Answers

4 votes
Answer: B I think.

Explanation: the definition of prototype is
As a verb
“make a prototype of (a product).”
Or noun
“a first, typical or preliminary model of something, especially a machine, from which other forms are developed or copied.”
User Shane Davies
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Answer:

Test the operation of the product

Step-by-step explanation:

User Mohammad Hossein
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