QuestionQuestion 12 of 25 If $f(x)=5 x-7$ , what is $f(3)$ ? A. 8 B. 1 C. 2 D. 22

Studdy Solution

STEP 1

1. Se nos da la función $f(x) = 5x - 7$ .
2. Necesitamos encontrar el valor de $f(3)$ .

STEP 2

1. Sustituir $x = 3$ en la función $f(x)$ .
2. Simplificar la expresión para encontrar $f(3)$ .

STEP 3

Sustituir $x = 3$ en $f(x)$ :
$f(3) = 5(3) - 7$

STEP 4

Simplificar la expresión:
$f(3) = 15 - 7$ $f(3) = 8$
El valor de $f(3)$ es:
$\boxed{8}$

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