We are given the explicit formula to be f(n) = 21 + 2(n - 1)
Where n is the number of terms
Find the 11th term
From, f(n) = 21 + 2(n - 1)
Let n = 11
f(11) = 21 + 2(11 - 1)
f(11) = 21 + 2(10)
f(11) = 21 + 20
f(11) = 41
The answer is 41
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