Write a function that describes a relationship between two quantities

Practice Questions

HiSet: High School Equivalency Test: Math › Write a function that describes a relationship between two quantities

Questions

is a linear function defined on the set of real numbers. Four values of are given in the following table:

$\begin{matrix} \underline{x}& \underline{f(x)} \ 13 & 4 \ 10 & 6 \ 7 & 8 \ 4 & 10 \end{matrix}$

Give the definition for .