b$.$ Based on your studies, read the following definitions in the table below and choose the right term that reflects the meaning of each. $(1\mathrm{.}5$ marks$)$

$\backslash$table$[[$No$.,$Definitions,Term$],[1,\backslash$table$[[$A measurable input quantity that is inherent in a mathematical$],[$formula$.]],],[2,$Scientific approach to decision making.,$],[3,$means that if production of $1$ unit of a product,$]]$