Question

find the domain and range of the real function f defined by f(x) = √x-1​

Answer 1

Answer:

StThe average age of 35 students of a class is 14 years . An 15 years old student left the class and a new student was admitted. As a result the average age fell to 13.5 years. Find the age of the new student?

ep-by-step explanation:

Answer 2

Answer:

domain is [1 , infinity)

range =[0 , infinity)

Step-by-step explanation:

as here domain should start frm 1 otherwise we will get value√-1 , if we strt frm zero