Evaluating Functions and Comparing

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• 2

• 3

• 4

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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.8.F.A.1

CCSS.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.HSF.IF.A.2

If f(x) = 2x² + 5x - 3, evaluate f(-1).

• f(-1) = -6

• f(-1) = 1

• f(-1) = -10

• f(-1) = -1

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CCSS.HSF.IF.A.2

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

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CCSS.HSF.IF.A.2

If h(x) = -5x + 7,

Evaluate h(2).

• -2

• 3

• -18

• -3

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CCSS.HSF.IF.A.2

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360

• h(8) = -67

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CCSS.HSF.IF.A.2

Given f(x) = 2x² + 5x - 17, find f(-1). 

• f(-1) = -20

• f(-1) = -24

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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

For the function f(x) = -3x + 3 find f(0).

• 0

• -3

• 3

• -1

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CCSS.HSF.IF.A.2