monettekevinozjram
monettekevinozjram monettekevinozjram
  • 12-06-2018
  • Mathematics
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Let f(x) = x – 3 and g(x) = x2

Find f(g(4)).
A. 1
B. 9
C. 13
D. 16

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11beehshahbaz 11beehshahbaz
  • 12-06-2018
Option C is the correct answer.

[tex]f(x)=x-3 \\ \\ g(x)= x^{2}[/tex]

First we have to find g(4) and then use that value in f(g(4)) to find the value of the expression as shown below:

[tex]g(4)=(4)^{2} \\ \\ g(4)=16 \\ \\ f(g(4))=f(16) \\ \\ f(g(4))=16-3 \\ \\ f(g(4))=13 [/tex]
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