Question

HELP!
Contractor 3 gives Mrs. Solar the following fee table showing his charges for the contract
work.
Number of hours Total cost
2 $120
3 $180
4 $240
5 $300

(a) What is the rate of change? What does this mean in a real-world context?
(b) What is the y-intercept? What does this mean in a real-world context?
(c) Write an equation to represent the total cost, y, given x hours.
(d) Graph the equation written in Part (c).
https://s.yimg.com/hd/answers/i/499d7abb595743449ef666a79f787dc5_A.png?a=answers&mr=0&x=1449611316&s=8704bd5129c24f65caf98b33caea8d06

Answer 1

I need (d)

Answer 2

do you know it?