Question

The cost, y, of taking a rideshare per hour, x, is shown in the table.

Cost of Rideshare per Hour
time (hours) 8 9 10 11 12
cost ($) 22.24 25.02 27.80 30.58 33.36
What type of function could be used to model the cost, y, of a rideshare as a function of time, x?

(1 point)
Responses

linear function
linear function

quadratic function
quadratic function

exponential decay function
exponential decay function

exponential growth function

Answer 1

Linear function.

The cost increases by a constant $2.78$ dollars each hour (25.02−22.24 = 27.80−25.02 = … = 2.78), so the rate of change is constant and the relationship is linear (y = 2.78x).