CCSS.Math.Content.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

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CCSS.Math.Content.8.F.A.1

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

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CCSS.Math.Content.8.F.A.1

What is the value of f(0)?

• -2
• 2
• 4
• 0

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CCSS.Math.Content.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function

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CCSS.Math.Content.8.F.A.1

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

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CCSS.Math.Content.8.F.A.1

A set of ordered pairs.

• Slope
• System
• Relation
• Domain

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CCSS.Math.Content.8.F.A.1

A child asks her dad for an allowance that starts with a penny and then doubles every day for a month. Which function can be used to model the amount of money, A, the child will receive each day, x?

• A(x) = 2(0.01)^x
• A(x) = 0.01(2)^x
• A(x) = 0.01(1 - 2)^x
• A(x) = 2(1.01)^x

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CCSS.Math.Content.8.F.A.1

What is a Function?

• X cannot repeat

• Y cannot repeat

• X can repeat

• Y can repeat

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CCSS.Math.Content.8.F.A.1

List the ordered pairs

• Input and Output

• (0,12), (2,10), (4,8), (6,6)

• (12,0), (10,2), (8,4), (6,6)

• (6,6)

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CCSS.Math.Content.8.F.A.1

Which relation represents y as a function of x?

• Mapping #1

• Mapping #2

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CCSS.Math.Content.8.F.A.1