Evaluating Functions Using Function Notation

Evaluate for f(-5)

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• -2

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CCSS.HSF.IF.A.2

What is x if
f(x) = -2?

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• 8

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CCSS.HSF.IF.A.2

_{Using the graph, what does f(8) equal?}

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CCSS.HSF.IF.B.4

For what value of t is H(t) = 4" ? 

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CCSS.HSF.IF.A.2

A company is selling bubble gum.  The function g(x)=3x+4 tells the company how much to charge if someone buys x packages of bubble gum.  Find g(8) and tell what it means within the context of the problem.

• g(8)=8.  This means that after 8 packages of gum, the company makes $8.

• g(8)=42.  This means that 8 packages of gum costs $42.

• g(8)=28.  This means that 8 packages of gum costs $28.

• g(8)=24.  This means that 8 packages of gum costs $24.

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CCSS.HSF.IF.A.2

what is function notation?

• adding functions.

• i wasn't listening

• the way an equation (function) is written.

• pass.

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

f(x)=4x+5
f(4)=

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• -31

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CCSS.HSF.IF.A.2

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CCSS.HSF.IF.A.2

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CCSS.HSF.IF.A.2

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CCSS.HSF.IF.A.2