It costs a golf course $C(h) = 300 h$ dollars to operate for $h$ hours. Each hour they are open, they bring in $ 370.
a) Write a function for the revenue, $R(h)$, as a function of the number of hours they are open.
$R(h)=$

b) Find a function $P(h)$ for the profit of the golf course after being open for $h$ hours.
$P(h)=$

Hint: