Question

Find the 4 terms in the sequence given an=n^2+4" align="absmiddle" class="latex-formula">

Answer 1

Answer:

a₁ = 5

a₂ = 8

a₃ = 13

a₄ = 20

Step-by-step explanation:

Given sequence formula

aₙ = n² + 4

Requirement of the question

Find the 4 terms in the sequence

Substitute 4 values into the sequence formula

a₁ = (1)² + 4 = 1 + 4 = $\Large\boxed{5}$

a₂ = (2)² + 4 = 4 + 4 = $\Large\boxed{8}$

a₃ = (3)² + 4 = 9 + 4 = $\Large\boxed{13}$

a₄ = (4)² + 4 = 16 + 4 = $\Large\boxed{20}$

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