Answer:
circumference = 2 π r
r = 10/2 = 5inches
circumference = 2π ×5= 10π inches
option A
Answer:
Step-by-step explanation:
Answer:
It is both a relation and a function.
Step-by-step explanation:
Keith collected the names and ages of all of his classmates and organized them in the ordered pair (name, age).
Here, if we consider the name as the input and age is the output, then each and every different input there is a single output.
Because a single person can not have more than one age.
Therefore, it is both a relation and a function. (Answer)
