bobcatsgowild18
bobcatsgowild18 bobcatsgowild18
  • 09-06-2016
  • Mathematics
contestada

If f(x) = 2x + 3 and g(x) = x2 + 1,find f(g(3)).

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caylus
caylus caylus
  • 09-06-2016
Hello,

f(g(3))=f(3²+1)=f(10)=2*10+3=23
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Answer Link
erinna erinna
  • 28-06-2019

Answer:

The value of f(g(3)) is 23.

Step-by-step explanation:

The given functions are

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

[tex]g(x)=x^2+1[/tex]

We have to find the value of f(g(3)).

Substitute x=3 in the function g(x) to find the value of g(3).

[tex]g(3)=3^2+1=9+1=10[/tex]

[tex]f(g(3))=f(10)[/tex]                       [g(3)=10]

Substitute x=10 in the function f(x) to find the value of f(10).

[tex]f(10)=2(10)+3=20+3=23[/tex]

Therefore the value of f(g(3)) is 23.

Answer Link

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