k340760
k340760 k340760
  • 16-01-2018
  • Mathematics
contestada

Can someone explain how to do this?

Can someone explain how to do this class=

Respuesta :

texaschic101
texaschic101 texaschic101
  • 16-01-2018
it will have a constant rate of change if ur numbers are equal

f(x) / x 
-20/-5 = 4
-8/-2 = 4
8/2 = 4
16/4 = 4

so yes, it has a constant rate of change (ur slope) and it is 4

u can also find ur slope by using the slope formula : (y2 - y1) / (x2 - x1) and 2 sets of points

(4,16),(2,8)
slope = (8 - 16) / (2 - 4) = -8/-2 = 4 <== ur constant rate of change

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