6. The change in x is 4that is, is 4. The change in y is 3that is,...

Question:

6. The change in x is 4—that is, is 4. The change in y is 3—that is, is 3. The slope of that line is 3/4. In part (b), when x increases from 2 to 6, y decreases from 6 to 3. The change in y is minus 3—that is, is The change in x is plus 4—that is, is 4. The slope of the curve is .

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Δy

Δx

Δy ÷ Δx.

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Δx Δy

Δy −3

Δx −3/4

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