172,039 views
23 votes
23 votes
the graph of a function passes through the point 3, 8. If a varies inversely as X, write a function relating X & Y.

the graph of a function passes through the point 3, 8. If a varies inversely as X-example-1
User Hetal Chauhan
by
3.0k points

1 Answer

11 votes
11 votes

\begin{gathered} P(3,8) \\ f(x)=(k)/(x) \\ f(3)=8=(k)/(3) \\ 8=(k)/(3) \\ k=8\cdot3 \\ k=24 \\ f(x)=(24)/(x) \\ \text{The function is }f(x)=(24)/(x) \end{gathered}

User SSA
by
2.7k points