anonymous
  • anonymous
help help help help
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
Try to convert the first function into slope-intercept form by finding the slope and plugging it into y=mx+b. It'd be easier to compare with the second function.
anonymous
  • anonymous
slope formula \[m=\frac{ y_2-y_1 }{ x_2-x_1 }\] Take (1, 75) and (2, 60). Plug it into the equation.

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anonymous
  • anonymous
okay what should i get
anonymous
  • anonymous
@sourwing
anonymous
  • anonymous
Plug it into the equation. 60 - 75 / 2 - 1.
anonymous
  • anonymous
okay
anonymous
  • anonymous
i got 5
anonymous
  • anonymous
is that wrong
anonymous
  • anonymous
Okay, welp you're supposed to actually to subtract the numbers first then divide them. \[m = \frac{ 60 - 75 }{ 2-1 }\] Once you get the slope, plug it into the slope-intercept formula. y = mx+ b. That'll get you something you can compare to the second function.
anonymous
  • anonymous
you know that in function 1 , $15 is spent, and in function 2 $12 is spent
anonymous
  • anonymous
so the function with $15 would be the greater rate of change

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