Question

III) Write A= {x:x= 2n-1, n€ N and n<6} in roster from and write the cardinal number​

Answer 1

Answer:

ROOSTER FORM : ( 1,3,5,7,9)

CARDINAL NUMBER: n(x) = 5

Step-by-step explanation:

n=(1,2,3,4,5)

x=( 2(1) -1 ) , 2(2)-1 , 2(3)-1 , 2(4)-1 , 2(5)-1 )

x= ( 2-1 , 4-1 , 6-1 , 8-1 , 10-1 )

x=(1 , 3 , 5 , 7 , 9)

n(x)= 5