Evaluating Functions and Function Notation

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

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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

• 1

• 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 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

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

Is this mapping a function or not a function? 

• Function

• Not a Function 

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CCSS.8.F.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.