Intro to Functions Quiz

Which of the following relations is a function?

• {(1, −6), (3, −5), (1, 0)}

• {(0, 5), (5, −1), (5, 9)}

• {(6, 1), (6, 2), (6, 3)}

• {(0, 8), (1, 7), (2, 6)}

Tags

CCSS.8.F.A.1

A way to test if a graph represents a function: if a vertical line drawn anywhere on a graph hits the graph in more than one place, then the graph is not a function since this shows an input value, 𝑥, has more than one output value, 𝑦

• Vertical Line Test

• Horizontal Line Test

• Relative Maximum

• Relative Minimum

• Function
• Not a Function

Tags

CCSS.8.F.A.1

• Function
• Not a Function

• Function
• Not a Function

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Check all the relations that are functions.

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Tags

CCSS.8.F.A.1

Check all of the graphs that are functions

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Check the tables that are NOT functions

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Tags

CCSS.8.F.A.1