Question

Find domain and range of the function​

Answer 1

Step-by-step explanation:

lets x = ( 1 , 2 , 3)

than,

f( 1) = 1² + 2 = 3

f(2) = 2² + 2 = 6

f(3) = 3² + 2 = 11

hence,

Domain ={ 1, 2, 3)

Range = {3, 6 , 11}