Writing Linear Equations

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Which equation is best represented by this graph? Options:

y + 7 = -3(x - 4)

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y + 1 = -3(x + 2)

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y - 4 = 3(x + 7)

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y - 2 = 3(x - 1)

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y + 7 = -3(x - 4)

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The table represents some points on the graph of a linear function. Which function represents the same relationship? Options:

h(x) = -3x - 10.5

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h(x) = -x - 3.5

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h(x) = 3x - 10.5

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h(x) = x - 3.5

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h(x) = -3x - 10.5

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Function to find thickness of ice shelf x days since discovery. Initial thickness: 450 m. Decrease rate: 0.06 m/day.

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t(x) = 450 - 0.06x

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An organization has a monthly budget of x dollars. Every month $2,070 is spent on salaries. One-fourth of the remaining budget is spent on monthly activities. Which function can be used to find the amount in dollars spent on monthly activities?

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Function showing relationship between y (total jars remaining) and x (number of boxes) after using 2 jars from 1 box.

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y = 8x - 2