Lesson 1.7 Function Values

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

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CCSS.HSF.IF.A.2

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CCSS.HSF.IF.A.2

Given the function, f, shown on the graph, what is the value of f(3)?

• 0

• 2

• 6

• 1

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CCSS.HSF.IF.A.2

If f(x) = 3x - 9, find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

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CCSS.HSF.IF.A.2

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x - 3

• Can't be written in function notation

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CCSS.HSF.IF.A.2

How do you read f(x)?

• "f x"

• "f of x"

• "f parenthesis x"

• "f with an x inside parenthesis"

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CCSS.HSF.IF.A.1

CCSS.8.F.A.1

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360
• h(8) = -67
• h(8) = 31

• h(8) = 77

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CCSS.HSF.IF.A.2

f(x) is the same thing as ______.

• y
• x
• input
• an equation

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CCSS.HSF.IF.A.1

What point is represented by g(7) = 14 ?

• (2,7)

• (7,2)

• (14,7)

• (7,14)

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CCSS.HSF.IF.A.1

CCSS.8.F.A.1

Find f(2)

• 5

• 4

• 3

• 0

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CCSS.HSF.IF.A.2