CCSS.Math.Content.HSF.IF.A.1

Is this set of ordered pairs a function or not a function? 

• Function
• Not a function

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CCSS.Math.Content.HSF.IF.A.1

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; there is a line connecting the dots.

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CCSS.Math.Content.HSF.IF.A.1

f(x) = 3x + 10
g(x) = x - 2
Find f(g(0))

• 16
• 4
• -4
• None of these.

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CCSS.Math.Content.HSF.IF.A.1

Evaluate f(2)

• 0
• 2
• 7
• 4

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CCSS.Math.Content.HSF.IF.A.1

Is this a continuous or discrete function?

• Continuous
• Discrete

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CCSS.Math.Content.HSF.IF.A.1

What is the domain of this function?
f(x) = √(x-2) + 4

• [2,∞)
• (-∞,2]
• (∞,2]
• [4,∞)

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CCSS.Math.Content.HSF.IF.A.1

Evaluate the function when x = 4

• f(4) = 2(4) - 5 = 3

• f(4) = 2(4) - 5 = -1

• f(4) = ½(4) + 1 = 3

• f(4) = 4

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CCSS.Math.Content.HSF.IF.A.1

If f(x) = 2x + 1, what would be your first step to find f(1)?

• Plug a 1 in for all the x's

• Set the function equal to 1

• Only plug a 1 into the left side

• Only plug a 1 into the right side

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CCSS.Math.Content.HSF.IF.A.1

What is the domain of the graph?

• x ≥ 1

• 1 ≤ x ≤ 5

• 1 ≤ x ≤ 4

• x ≤ 5

• All real numbers

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CCSS.Math.Content.HSF.IF.A.1

f(x)

• domain

• function notation

• correlation coefficient

• regression

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CCSS.Math.Content.HSF.IF.A.1