dancergirl45
  • dancergirl45
Which exponential function goes through the points (1, 16) and (4, 128)? f(x) = 4(4)x f(x) = 8(2)x f(x) = 8(2)−x f(x) = 4(4)−x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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dancergirl45
  • dancergirl45
@DanJS
dancergirl45
  • dancergirl45
@AloneS
dancergirl45
  • dancergirl45
I think b

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AloneS
  • AloneS
so you think it's c?/
AloneS
  • AloneS
ooops i mean b xD
AloneS
  • AloneS
eah I believe your right !!! :)
dancergirl45
  • dancergirl45
yes
dancergirl45
  • dancergirl45
Thank you
AloneS
  • AloneS
xD YOU WELCOME :)
DanJS
  • DanJS
Tthis one?
DanJS
  • DanJS
since they actually gave you choices, you can just test which one works for those points, but, there is a way you probably learned to solve for the constants in y = A*B^X 2 data points given for (x,y) can set up 2 equations in terms of A and B
AloneS
  • AloneS
so is it right?? @DanJS or maybe I made a mistake??
DanJS
  • DanJS
y = a * b^x when x=0, y= a each increase in x by 1 will multiply 'a' by the 'b' base.
DanJS
  • DanJS
x= 0 , 1 .... y = a, a*b , a*b*b, a*b*b*b... exe

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