How do you write the function rule for an auto place that charges $20 flat rate plus $27 per hour? Algebra Expressions, Equations, and Functions Functions that Describe Situations 1 Answer Paul N. Nov 26, 2014 #y = 27 x + 20# Where #x# is the number of hours worked and #y# is the total charge for the service. Answer link Related questions What is an example of a function that describes a situation? How do you write a function rule that describes a cost of a CD that is $2 each? Why do you write functions to describe real life situations? What is the function rule for the following relationship: #f(2)=8#, #f(4)=12#, #f(6)=16#? What is the function rule where the y values are 1, 8, 64 corresponding to the x values that are 1, 2, 3? How do you write a function notation for the situation: 10 more than twice the number x? How do you write a function rule for the number of cuts you need to make to cut a rope into x pieces? How much does Solomon make for a 2-hr job, if he charges $50 flat rate plus $25 per hour to fix... How do you express the cost of making x small boxes, y medium boxes, and z large boxes, it costs... How do you write a function rule for #x = 2, 4, 6# and #y = 1, 0, -1#? See all questions in Functions that Describe Situations Impact of this question 2867 views around the world You can reuse this answer Creative Commons License