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How do you evaluate the function $f (x) = \frac{5}{2} x + 8$ $f(x) = 5/2x + 8$ for $f (4)$ $f(4)$ ?

1 Answer

Nov 2, 2015

$f (4) = \frac{5}{2} \times 4 + 8$ $f(4) = 5/2 xx4 + 8$
$f (4) = 18$ $f(4) = 18$

Explanation:

just substitute 4 into x and you are good to go.

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