If there are 3 cylinders all with a radius of 2 and the first one had a height of 1 and a volume of 13 then the next a height of 2 and a volume of 25 and the last a height of 3 and a volume of 38 is this a linear relationship and why or why not

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3

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step-by-step explanation:

if i knew id you bro,, my bad