Question

HELP IN CALCULUS

Answer 1

Erin buys gas at a self service station for $2.75 a gallon. The gas station has a promotion going on that anyone who buys more than 10 gallons of gas, only has to pay $2.50 per gallon. Erin's tank will hold 12 gallons of gas.
a) Write a rule for the total cost, C(g), as a function of g gallons of gas.
b)Graph the piecewise function
c)What is the domain and range of the function in part a

Answer 2

@IrishBoy123 do you understand it?

Answer 3

here's a head start....

but be careful. you're going to need to get your notation hat on, mathematical notation is not my forte(!!)

tidy up my clue with this
http://www.mathsisfun.com/sets/functions-piecewise.html

then come back and ask more if you need to