Assume $y$ Is Directly Proportional to The $3 / 2$ Power Of $x$

Short Answer

Assume $y$ is directly proportional to the $3 / 2$ power of $x$ and has a value of 3.22 when $x$ is 30.9 .
(a) Find the constant of proportionality.
(b) Write the equation $y=\mathrm{f}(x)$ .
(c) Find $y$ when $x=40.3$ .
(d) Find $x$ when $y=2.79$ .