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Find these terms of the sequence {an}, where an =2 · (−3)^n + 5^n.

a. a0
b. a1
c. a4
d. a5

User MikaelF
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1 Answer

6 votes

Final answer:

To find the terms of the sequence {an}, substitute the values of n into the formula an = 2 · (−3)^n + 5^n. The terms are: a0 = 3, a1 = -1, a4 = 787, a5 = 2639.

Step-by-step explanation:

To find the terms of the sequence {an}, we can substitute the values of n into the formula an = 2 · (−3)^n + 5^n. Let's calculate the values of the first few terms:

a0 = 2 · (−3)^0 + 5^0 = 2 · 1 + 1 = 3

a1 = 2 · (−3)^1 + 5^1 = 2 · -3 + 5 = -1

a4 = 2 · (−3)^4 + 5^4 = 2 · 81 + 625 = 787

a5 = 2 · (−3)^5 + 5^5 = 2 · -243 + 3125 = 2639

User Charles Darke
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