Does functionality provided by the app play an important role in a decision to
purchase the app and install it locally?
a. yes
b. no

Yes

Explanation:

 Yes, the given statement is true that the complete package of functionality that are providing by an app is one of the important role for making the decision of purchasing the app and then install this locally. Then it provided the complete installed version of app in the system.

A complete functionality mainly provides the latest version of the app so it helps for providing the main features of an app so that we can easily install it locally more efficiently and easily.

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.