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!!

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?

Lisette takes an ela exam and got 16 out of 27 questions correct. what percentage of the questions did lisette get correct?