PLEASE HELP I WILL FAN AND MEDAL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Sarah has been running a dog-walking business since 2010. She walks dogs twice a day, takes them to the park, and returns them to their homes. Each year, she has increased her fee by the same amount. The table shows what Sarah charged each customer for two given years of her business:

Question

PLEASE HELP I WILL FAN AND MEDAL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Sarah has been running a dog-walking business since 2010. She walks dogs twice a day, takes them to the park, and returns them to their homes. Each year, she has increased her fee by the same amount. The table shows what Sarah charged each customer for two given years of her business:

kpop4life123 · Answer

Year         	Annual Dog-walking Fee
2010         	$350
2014                $750


A. What is the rate of change and initial value for Sarah's business? How do you know?
B. Write an equation in slope-intercept form to represent the fees that Sarah charges each year. (10 points)

welshfella · Answer

rate of change of fee=  fees for 2014 - fees for 2010
                                    -------------------------
                                                    2014 - 2010

kpop4life123 · Answer

could you explain it because i dont know how to do it

welshfella · Answer

fee for 2014 = 750 , fee for 2010 = 350

 2014 - 2010 = 4

welshfella · Answer

just plug these values into the equation

welshfella · Answer

sorry guy gotta go right now...

kpop4life123 · Answer

oh ok thanks :)