AnswersVT-SAT-MathWriting and Graphing Equations in Two Variables

Writing and Graphing Equations in Two Variables Answers

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Otto used 5.5 cups of whole wheat flour and x cups of white flour in the recipe. What is the equation that can be used to find the value of y, the total amount of flour that Otto used in the recipe, and what are the constraints on the values of x and y?

y=5.5x; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 5.
Option
y=5.5x; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 5.5.
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y=x+5.5; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 5.
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y=x+5.5; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 5.5.
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The equation y = 8.1x models the relationship between the number of hours Alexander works, x, and the dollar amount he earns, y. Which is the graph of the equation y = 8.1x?

A
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B
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C
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