Sequences (either arithmetic or geometric), find a possible function f(n) whose domain is the set of natural numbers and whose outputs are the terms of the sequence. a. 1, 5, 9, 13, 17, ...
b. 2, 4, 8, 16, 32, ...
c.2, 2, 2, 2, ...
4 5
d. 2, 23,23,22,...
a. f(n) =
(Simplify your answer.)

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

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step-by-step explanation:

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