jasminblue256 jasminblue256
  • 18-07-2018
  • Mathematics
contestada

Based on the graph, what are the approximate solutions to the equation −3x + 8 = (0.25)x?

Respuesta :

calculista
calculista calculista
  • 28-07-2018

Let

[tex] f(x)=3x+8 [/tex]

[tex] g(x)=0.25^{x} [/tex]

in this problem

f(x)=g(x)

so

[tex] 3x+8=0.25^{x} [/tex]

using a graph tool

the solution is the intersection of both graphs

see the attached figure

the solutions are

x=-1.89

x=2.66

Ver imagen calculista
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