Question 1106272
1.)  C = 12n+75<pre>Just stick (n) after C

    C(n) = 12n+75</pre>2.). y = 4x+9<pre>
Just stick (x) after y

    y(x) = 4x+9</pre>
3.) D = -20t+150<pre>Just stick (t) after D

   D(t) = -20t+150</pre>
4) P = 4s<pre>
Just stick (s) after P

  P(s) = 4s

That's all there is to functional notation.

Edwin</pre>