Which expression is equivalent to (f + g)(4)?
2 answers:
(f + g)(x) = f(x) + g(x) therefore (f + g)(4) = f(4) + g(4)
Answer:
Step-by-step explanation:
For any functions f and g on x , the sum of functions
is equivalent to 
OR

Thus, for x=4 we have

The expression
is equivalent to 
f(4) and g(4) means that we should find the value of our function when x equals 4.
(f+g)(4) means we should find the value of our function as sum, when x equals 4.
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