Question

P(n) = n+1 ; find p(6)

Answer 1

P(n) = n + 1

since 6 replaced the n, plug in 6 where n use to be in the expression

P(n) = n + 1
P(6) = (6) + 1
P(6) = 6 + 1
P(6) = 7

P(6) = 7 is your answer

hope this helps