Question

Need HELP due in 2 minutes!!!


Write the explicit formula for the sequence, and use to evaluate for the given term.

Answer 1

Explicit Formula: aₙ = a₁ + d(n-1)

a₁ = First term , d = common difference

a₁ = -20 , d = divide by 2

aₙ = -20 + 1/2(n-1)

Answer 2

Answer:

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