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goldfiish [28.3K]
2 years ago
5

Write an expression that represents the sum of r and 7

Mathematics
1 answer:
Anuta_ua [19.1K]2 years ago
6 0
(R+7) is the expression
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What is the value of f(3) in the function f(x)=5/6x+8
natita [175]

For this case we have a function of the form y = f (x), where f (x) = \frac {5} {6} x + 8

We must find the value of the function when x = 3, that is, we must find f (3). So:

f (3) = \frac {5} {6} (3) + 8\\f (3) = \frac {15} {6} +8\\f (3) = \frac {5} {2} +8\\f (3) = 2.5 + 8\\f (3) = 10.5

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f (3) = 10.5

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