4. A small bus charges $3.50 per person for a ride from the train station to a concert. The bus will run if at least 3 people take it, and it cannot fit more than 10 people.
Function B gives the amount of money that the bus operator earns when n people
ride the bus.
a. Identify all numbers that make
sense as inputs and outputs for
this function.
40
30
earnings in dollars
20
10
12
4 6 8 10
people riding the bus
b. Sketch a graph of B.
Help me plss!!