Module 5 Review - 12.2 - Welcome Back!

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It represents that the club starts with 80 members and gains 15 new members each month.

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The slope is 15, indicating the rate of increase in membership per month.

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The y-intercept is 80, representing the initial number of members when the club opens.

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If a function is linear, what is the general form of its equation?

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What is the definition of a function?

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A function is a relation that assigns exactly one output for each input.

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What does it mean for a function to be increasing?

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A function is increasing if, as the input increases, the output also increases.

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What is the definition of a slope in a linear function?

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The slope is the ratio of the change in the y-value to the change in the x-value between two points on the line.

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How do you find the value of a function at a specific point?

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Substitute the specific value into the function's equation and solve for the output.

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It models relationships where one quantity depends linearly on another, such as distance over time.