Question

Which expression is equivalent to (f + g)(4)?

O f(4) + g(4)
O f() + g(4)
O f(4 + g(4))
O 4(f(x) + g(x))

Answer 1

Your correct answer is option A. f(4) + g(4)

Explanation:

Keywords:

Function, sum of functions, properties of functions, real numbers

For this case we have a sum of functions that we must represent in an equivalent way. For this we take into account that by definition, the sum of functions property establishes that:

The function is defined in the set B, (Being B belonging to the real numbers) as:

for all x belonging to set B.

tht gives you your answer of option A. f(4) + g(4)