If $f (x) = 3 x$ $f(x) = 3x$ then find $f (t)$ $f(t)$ , $f (2 t)$ $f(2t)$ and $f (t + 2)$ $f(t+2)$ ?

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Answer 1 · 2017-03-13T13:12:21

We have:

$f (x) = 3 x$ $f(x) = 3x$

Thus:

(i) $\ \ f(t) \ \ \ \ \ \ = 3t$
(ii) $\ f(2t) \ \ \ \ = 3(2t) = 6t$
(iii) $f(t+2) = 3(t+2) = 3t+6$

If f(x) = 3x f(x)=3x f(x) = 3x then find f(t)f(t)f(t), f(2t)f(2t)f(2t) and f(t+2)f(t+2)f(t+2)?