Review

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CCSS.6.EE.B.7

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If f(x) = 2x + 1, what is f(3)?

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f(3) = 2(3) + 1 = 7.

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CCSS.HSF.IF.A.2

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h = 7.

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CCSS.7.EE.B.4A

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Given f(x) = x + 3, find f(-2).

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f(-2) = -2 + 3 = 1.

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CCSS.HSF.IF.A.2

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CCSS.7.EE.B.4A

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Define a linear function.

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A linear function is a function that can be graphically represented as a straight line, typically in the form f(x) = mx + b, where m is the slope and b is the y-intercept.

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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What does it mean to substitute in a function?

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Substituting in a function means replacing the variable in the function's expression with a specific value to find the output.

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CCSS.HSF.IF.A.2

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What is the slope-intercept form of a linear equation?

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CCSS.8.EE.B.6

CCSS.8.F.A.3

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How do you isolate a variable in an equation?

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To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

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CCSS.6.EE.B.7

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f(0) = 2(0) + 1 = 1.

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CCSS.HSF.IF.A.2