The irregular shape has the dimensions shown. Which kind of expression represents the perimeter?

linear expression
exponential expression
quadratic expression
rational expression

(3x-8) or (3x+8)

step-by-step explanation:

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f(x) is   are being squared

g(x) is   increasing by 2

h(x) is adding .25 each time

k(x) is taking the square root

f(x) and k(x) are exponential functions