Question

If A = {3,9,27,81), then write A in the set builder form.
If A yiyeN and x < 151 and R= {X:X EN and x < 3).
3.​

Answer 1

Answer:

A = {x: x = 3ⁿ, n ∈ N, n ≤4}

Step-by-step explanation:

A = {3, 9, 27, 81}

In set builder form:

A = {x: x = 3ⁿ, n ∈ N, n ≤4}