domain & rangescasano.weebly.com/uploads/1/5/6/9/15694144/12.7-_functions.pdf · 4.1 relations...
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4.1 Relations and Functions.notebook
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Domain-
Range-
Domain & Range
Determine the domain and range for each relation.1) {(0, 1), (9, 4), (23, 3)} 2)
3) 4) {(5, 2), ( 2, 1), (6, 3)}
D=
R=D=
R=
D=
R=
D=
R=
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Functions-
{(4, 4), (3, 2), (5, 1), (4, 0)}3.
{(3,0), (4, 0), (5,0), (6,0)}2.
Examples: Which of the following represent functions? Explain your answer!
1.
4.8
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1)
3)
2)
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Let's talk about functions graphically...
vertical line test-
Does NOT pass the
vertical line test
Passes the vertical line
test
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Are these graphs functions? Explain why or why not.
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EXIT TICKET*tear this page off and turn it in before you
leave class today*
Name: ___________________
Score: ____/6
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None of the examples below are functions. Explain why this is true, for each.