Agroup of functions that generates from the same template is often called

a. a class

b. a family of functions

c. a polymorphic template

d. an assembly

b) a family of functions

Explanation: Family of function is referred as the function template that can various types of argument . The functions that are created are from the same templates and thus used for displaying the collection of function.

Other options are incorrect because class templates is used for the producing classed related with their parameters. Polymorphic template is used for representing any type of parameter and assembly are separate components .Thus the correct option is option(b).

which functions return a valid value without any arguments?

(-blank- and -blank- return a valid value without any arguments.)

1st -blank-

today

sqrt

count

2nd -blank-

round

now

sqrt