Question

Manoj and Shira were asked to find an explicit formula for the sequence-9, -27,81,-243,...

Manoj said the formula was h(n) = -9 (3)"
Shira said the formula was h(n) = -3 (3)
Which one of them is right?
A Only Manoj
B Only Shira
c) Both Manoj and Shira
D Neither Manoj or Shira
Please note that the "n" value that is the exponent should be "n-1". Consider this when you make your choice.

Answer 1

[AI-generated answer — Bot GPT 3.5]

Neither Manoj nor Shira are correct in finding the explicit formula for the sequence. The correct explicit formula for the sequence -9, -27, 81, -243,... can be expressed as h(n) = -9 * (-3)^(n-1). Therefore, the correct answer is D) Neither Manoj or Shira.