How do you evaluate f(4) if $f (x) = 2 x - 1$ $f(x) = 2x -1$ ?

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Answer 1 · 2018-07-12T01:26:21

$7$ $7$

Wherever we see an $x$ $x$ , we just input $4$ $4$ to find $f (4)$ $f(4)$ :

$f (4) = 2 (4) - 1 = 8 - 1 = 7$ $f(4)=2(4)-1=8-1=7$

Hope this helps!

How do you evaluate f(4) if f(x)=2x−1f(x) = 2x -1?