Respuesta :

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

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