anonymous
  • anonymous
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: 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.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@iiamtiana
anonymous
  • anonymous
Answer choices?
anonymous
  • anonymous
@Nnesha @Hayleymeyer @misssunshinexxoxo

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More answers

anonymous
  • anonymous
there r no answer choices they are written questions @iiamtiana
anonymous
  • anonymous
I know the rate of change is $100 each year
anonymous
  • anonymous
Correct. What is the initial value, i.e. the rate she charged when she started the business in 2010?
anonymous
  • anonymous
would the equation be y=100x+4? @ospreytriple
anonymous
  • anonymous
@misty1212
anonymous
  • anonymous
@iiamtiana
anonymous
  • anonymous
No. The rate of change part is correct (100x). But, instead of +4, it must be the initial value (the rate charged when the business first opened). What would it be?
anonymous
  • anonymous
I'm not sure :(
anonymous
  • anonymous
@ospreytriple
anonymous
  • anonymous
350? @ospreytriple
anonymous
  • anonymous
Right. So what would the equation be?
anonymous
  • anonymous
y=100x+350
anonymous
  • anonymous
Correct. Well done.
anonymous
  • anonymous
yess:D thank u @ospreytriple
anonymous
  • anonymous
You're welcome.

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