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Given that f(x) = x + 4 and g(x) = x + 7, find (g - 4(x).

1 Answer

7 votes

Answer: The value of
(g - f)(x)=4 .

Explanation:

Given functions :
f(x) = x + 4 and
g(x) = x + 7

To find :
(g - f)(x)

Difference between two functions:
(u-v)(x)=u(x)-v(x)

Then,
(g-f)(x)=g(x)-f(x)


=(x+7)-(x+4)=x+7-x-4\\\\=7-4=3

Hence, the value of
(g - f)(x)=4 .

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