\(\displaystyle{f{{\left({x}\right)}}}={7}{x}+{9}\), \(\displaystyle{g{{\left({x}\right)}}}={4}{x}-{1}\); Find \(\displaystyle{\left({f}-{g}\right)}{\left({x}\right)}.\)

jncuenodd4nf

jncuenodd4nf

Answered question

2022-03-28

f(x)=7x+9, g(x)=4x1; Find (fg)(x).

Answer & Explanation

Kailee Castro

Kailee Castro

Beginner2022-03-29Added 8 answers

Step 1
The given functions are
f(x)=7x+9
g(x)=4x1
To find (fog)(x)
Step 2
(fog)x=f{g(x)}
=7.g(x)+9
=7.(4x1)+9
=28x7+9
(fog)x=28x+2
Option c is correct

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