Question
Asked Nov 20, 2019
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8. Consider the function f 1,2,3,4
1,2,3,4} given by the graph below.
f(x)
4
3
2
1
2
3
4
a. Is f injective? Explain.
b. Is f surjective? Explain.
c. Write the function using two-line notation.
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8. Consider the function f 1,2,3,4 1,2,3,4} given by the graph below. f(x) 4 3 2 1 2 3 4 a. Is f injective? Explain. b. Is f surjective? Explain. c. Write the function using two-line notation.

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Expert Answer

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Step 1

F:{1,2,3,4}->{1,2,3,4}

From the given graph it can be said that:

F(1) = 3

F(2) = 4

F(3) = 1

F(4) = 3

Since, the given function f is neither injective nor surjective because injective function always maps distinct elemen...

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Advanced Math