Select all the following functions that are

linear.

Select one or more:

f (x) = 18x^2 + 45x + 45

f (x) = 18 / X + 45

f (x) = 18x

f (x) = 18x + 45

f (x) = 45

Does anyone know what is 1/2 of 1/4

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All of the following relations are functions, except A) y = x2. B) x = y2. C) y = |x|. D) y = x.

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What is the value of the expression? 1/6 + 1/6

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Tony had a certain number of stamps that were each worth $0.15. He misplaced 7 stamps. He found that the total value of his stamp collection was now $5.55.

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