rosesaqura
rosesaqura rosesaqura
  • 25-03-2022
  • Mathematics
contestada

Select the correct answer.
Consider functions f and g.
Which expression is equal to ?

A.

B.

C.

D.

Select the correct answer Consider functions f and g Which expression is equal to A B C D class=

Respuesta :

jimrgrant1 jimrgrant1
  • 25-03-2022

Answer:

C

Step-by-step explanation:

f(x) • g(x)

= [tex]\sqrt{x^2+12x+36}[/tex] × (x³ - 12)

= [tex]\sqrt{(x+6)^2}[/tex] × (x³ - 12)

= (x + 6)(x³ - 12)

= x(x³ - 12) + 6(x³ - 12) ← distribute parenthesis

= [tex]x^{4}[/tex] - 12x + 6x³ - 72

= [tex]x^{4}[/tex] + 6x³ - 12x - 72

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