21laila21
contestada

4) Given that
[tex]f(x) = \sqrt{x} [/tex]

g(x) = x - 7. Then (fog)(x)

(a)
[tex] \sqrt{x + 7} [/tex]

(b)
[tex] \sqrt{x - 7} [/tex]

(c)
[tex] \sqrt{x} - 7[/tex]


(d)
[tex] \sqrt{x} + 7[/tex]

(e) none​

Respuesta :

Stephen46

Answer:

The answer is option B.

Step-by-step explanation:

f(x) = √x

g(x) = x - 7

To find f o g(x) replace every x in f (x) by

g(x)

That's

[tex]f \: o \: g \: (x) = \sqrt{x - 7} [/tex]

Hope this helps you

Otras preguntas