beccca16
beccca16 beccca16
  • 10-03-2019
  • Mathematics
contestada

Given f(x) = 4x+ 6x and g(x) = 2x^2 + 13x +15, find (f/g) (x). Show your work

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alinakincsem
alinakincsem alinakincsem
  • 10-03-2019

Answer:

[tex]\frac{2x}{x+5}[/tex]

Step-by-step explanation:

We are given the following two functions and we are to find [tex] \frac {f} {g} (x) [/tex]:

[tex] f(x) = 4x + 6x [/tex]

[tex] g(x) = 2x^2 + 13x +15 [/tex]

Factorizing both the functions before solving them further.

[tex] f(x) = 4x + 6x = 2x (2x+3) [/tex]

[tex] g(x) = 2x^2 + 13x + 15 = x^2+3x+10x+15 = (x+5) (2x+3) [/tex]

Finding [tex] \frac {f} {g} (x) [/tex]:

[tex] \frac {f} {g} (x) [/tex] [tex]=\frac{2x(2x+3)}{(x+5)(2x+3)} = \frac{2x}{x+5}[/tex]

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