How do you find f(a) given $f (x) = 3 x - 5$ $f(x)=3x-5$ ?

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Answer 1 · 2016-12-17T22:12:44

$3 a - 5$ $3a-5$

To evaluate f(a) substitute x = a into f(x).

$\Rightarrow f (a) = 3 \times a - 5 = 3 a - 5$ $rArrf(color(red)(a))=3xxcolor(red)(a)-5=3a-5$

How do you find f(a) given f(x)=3x−5f(x)=3x-5?