A nursery sells small, potted cacti for $4 each and usually sells 20 cacti per week. For every one-dollar increase in price per cactus, the nursery sells three less cacti per week. The functions shown represent the price increase and
the number of cacti sold, respectively.
f() = 4 + xg(x) = 20 - 32
What is f(x) g(), the expression representing the revenue earned from selling cacti for one week?
-2.1 + 24
O 40 - 16
-3.2 + 8x + 80
O 3.0? + 32x + 80