3 years ago

F(x)=2x+7 g(x)=7-x what is fog gof gog

1 answer:

5 0

If f(x) = 2x + 7 & g(x) = 7 - x
then:
fog = 2(7 - x) + 7
= 14 - 2x + 7
= 21 - 2x

gof = 7 - (2x + 7)
= 7 - 2x - 7
= -2x

gog = 7 - (7 - x)
= 7 - 7 + x
= x

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3 years ago

La media aritmética de los siguientes datos son respectivamente: 1, 4, 1, 1, 4, 2, 3, 1, 4, 2Respuesta necesaria. Opción única.

AlekseyPX

Answer:

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Step-by-step explanation:

Average o Promedio

El promerio, average, o valor medio es un valor representativo de un conjunto de datos y se calcula según la fórmula:

$\displaystyle \bar x=\frac{\sum x_i}{n}$