if f(x)= 4x-12 and g(x)= x-3, find the value of f(x)+ g(x)
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if f(x)= 4x-12 and g(x)= x-3, find the value of f(x)+ g(x)
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Answer and step-by-step explanation:
To find the answer, add the two given functions.
f(x) = 4x - 12
g(x) = x - 3
f(x) + g(x) = (4x - 12) + (x - 3)
= (4x + x) + (-12 - 3) => combine similar terms
= 5x - 15
The answer is f(x) + g(x) = 5x - 15.