What type of tool can identify the performance bottlenecks in an executing path?

In a table, column width can be changed either by dragging the column border or by using the Width button spin arrow on the Ribbon

Indicate whether the statement is true or false

If a member function of a class already provides all or part of the functionality required by a constructor or another member function then:

a. Copy and paste that member function’s code into this constructor or member function. b. Call that member function from this constructor or member function. c. That member function is unnecessary. d. This constructor or member function is unnecessary.