Which set of ordered pairs represents a function? O {(9,1), (-6,3), (0, -4), (9, -1)}
O{(-4,4), (6,4), (6,-5), (0,8)}
O {(4,4), (0, -6),(3,4), (-5, -1)}
O {(-1,3), (9,-7), (2, 4), (9,5)}
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problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !

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step-by-step explanation:

step-by-step explanation:

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