hhhhoward5owhkxn hhhhoward5owhkxn
  • 21-02-2018
  • Mathematics
contestada

If f(x)=√x-7 and g(x)=-3x-6, which statement is true?

-3 is the domain of f°g

-3 is not the domain of f°g

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 21-02-2018
(f∘g)(x) = √((-3x -6) -7) = √(-3x -13)

We require
.. -3x -13 ≥ 0
.. -13 ≥ 3x
.. x ≤ -13/3
.. x ≤ -4 1/3


-3 is NOT in the domain of f∘g.
Answer Link

Otras preguntas

Solve problem 3t-7=5t then 6t is
if the midpoints of the sides of a triangle are connected, the area of the triangle formed is what part of the area of the original triangle? 1)1/2 2)3/8 3)1/3
a regulation bowling ball has a diameter of 8.5 inches what is the volume of the bowling ball
como murio aurelio baldor
A scientist who studies climate is a what?
animal cells are not capable of producing their own food because they lack which organelle
Local business are most likely to sponsor alcohol awareness programs __________. a. at the federal level b. in other cities and states c. nationally d. with
gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated, and after the water was driven off, 3.87 g anhydrous calcium sulfate remained. d
the kind of writing gives human qualities to inanimate objects or ideas is called
can neptune sustain life?