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Evalúe la función [tex]$f(x)=5x+9$[/tex] en [tex]$x=1$[/tex] y en [tex]$x=\frac{1}{5}$[/tex].

Sagot :

Por supuesto, evaluaremos la función [tex]\( f(x) = 5x + 9 \)[/tex] en dos puntos: [tex]\( x = 1 \)[/tex] y [tex]\( x = \frac{1}{5} \)[/tex]. Vamos a hacerlo paso a paso:

1. Evaluación en [tex]\( x = 1 \)[/tex]:

Dada la función [tex]\( f(x) = 5x + 9 \)[/tex], sustituimos [tex]\( x = 1 \)[/tex] en la función:

[tex]\[ f(1) = 5(1) + 9 \][/tex]

Calculamos el resultado:

[tex]\[ f(1) = 5 + 9 = 14 \][/tex]

Entonces, la función evaluada en [tex]\( x = 1 \)[/tex] nos da [tex]\( f(1) = 14 \)[/tex].

2. Evaluación en [tex]\( x = \frac{1}{5} \)[/tex]:

Nuevamente usando la función [tex]\( f(x) = 5x + 9 \)[/tex], sustituimos [tex]\( x = \frac{1}{5} \)[/tex]:

[tex]\[ f\left( \frac{1}{5} \right) = 5 \left( \frac{1}{5} \right) + 9 \][/tex]

Simplificamos los términos:

[tex]\[ f\left( \frac{1}{5} \right) = 1 + 9 = 10 \][/tex]

Así, la función evaluada en [tex]\( x = \frac{1}{5} \)[/tex] nos da [tex]\( f\left( \frac{1}{5} \right) = 10.0 \)[/tex].

En resumen, los valores de la función [tex]\( f(x) = 5x + 9 \)[/tex] son:
- [tex]\( f(1) = 14 \)[/tex]
- [tex]\( f\left( \frac{1}{5} \right) = 10.0 \)[/tex]
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