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28-05-2020
Mathematics

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If f (x) = x and g(x) = 3x + 1 are two real functions. Find (f + g) (x)

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jimrgrant1 jimrgrant1

28-05-2020

Answer:

4x + 1

Step-by-step explanation:

note that (f + g)(x) = f(x) + g(x) , thus

f(x) + g(x)

= x + 3x + 1 ← collect like terms

= 4x + 1

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