A travel agency made the table to represent the profits it makes on a certain vacation package. Number of People vs. Profit Number of People Who Buy the Package, x Profit per Person (in dollars), y 10 500 20 800 30 900 40 800 50 500 Which of the following explains the best model for the data in the table?
Answer
A
an absolute value function since the values increase and then decrease
B
a linear function since the profit per person changes by 30 dollars for each additional person
C
an exponential function since the ratios of the y -values are about the same
D
a quadratic function since the points lie on a curve that is symmetric about the line x is equal to 30