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Definition of Functions

Given fx = ...

Question

Given $f (x) = 5 x - 1$ .then $f (- 3)$ = $- 16$ .( Enter 1 if true or 0 otherwise)

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Solution

Given, $f (x) = 5 x - 1$
We need to find value of $f (- 3)$
For that, put $x = - 3$ in the given equation.
Therefore, $f (- 3) = 5 (- 3) - 1$
$= - 15 - 1$
$= - 16$

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