Question

Find the first 5 terms of the sequence: an = (-1/2)n - 1
Find the first 5 terms of the sequence: an = -3n2.

Answer 1

a0 = -1
a1 = -3/2
a2 = -2
a3 = -5/2
a4 = -3
a5 = -7/2

Answer 2

A function assigns the value of each element of one set to the other specific element of another set.

What is a Function?

A function assigns the value of each element of one set to the other specific element of another set.

The first 5 terms of the sequence are:

aₙ = (-1/2)ⁿ -1

a₁ = -1.5

a₂ = -1.25

a₃ = -1.125

a₄ = -1.0625

a₅ = -1.03125

The first 5 terms of the sequence are:

aₙ = -3n²

a₁ = -3

a₂ = -12

a₃ = -27

a₄ = -48

a₅ = -75

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