1.1 Exercises

A relation that pairs each element from a set of inputs to exactly one element in a set of outputs is called

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CCSS.8.F.A.1

For a relation or function, the set of all input values is called the

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

For a relation or function, the set of all output values is called the

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

All _______________ are relations, but not all ________________ are ____________________.

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CCSS.8.F.A.1

Which mapping is a function? Check all that apply.

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CCSS.8.F.A.1

Which table is a function? Check all that apply.

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CCSS.8.F.A.1

Which sets of ordered pairs represent functions from A to B?

A = {0,1,2,3} and B = {-2,-1,0,1,2}

• {(0,1), (1,-2), (2,0), (3,2)}

• {(0,-1), (2,2), (1,-2), (3,0), (1,1)}

• {(0,0), (1,0), (2,0), (3,0)}

• {(0,2), (3,0), (1,1)}

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CCSS.8.F.A.1

Which sets of ordered pairs represent functions from A to B?

A = {a,b,c} and B = {0,1,2,3}

• {(a,1), (c,2), (c,3), (b,3)}

• {(a,1), (b,2), (c,3)}

• {(1,a), (0,a), (2,c), (3,b)}

• {(c,0), (b,0), (a,3)}

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CCSS.8.F.A.1