Solving Rate Problems Answers

2 verified answers

For the points in the table, does pressure vary directly with volume? If so, identify k and write an equation.

No, this is not a direct variation.

Yes, this is a direct variation with k = .

Yes, this is a direct variation with k = 1.

Yes, this is a direct variation with k = 3.

Which sequence can be defined by the recursive formula f (1) = 4, f (n + 1) = f (n) – 1.25 for n ≥ 1?

1, –0.25, –1.5, –2.75, –4, . . .

1, 2.25, 3.5, 4.75, 6, . . .

4, 2.75, 1.5, 0.25, –1, . . .

4, 5.25, 6.5, 7.75, 8, . . .

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