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Alex_Xolod [135]
3 years ago
12

If ƒ(x) = x − 4 and g(x) = 3x + 5, find (ƒ + g)(x).

Mathematics
2 answers:
siniylev [52]3 years ago
7 0

Answer:

(f+g)(x)=4x+1

Step-by-step explanation:

We are given the two functions:

f(x)=x-4\text{ and } g(x)=3x+5

And we want to find:

(f+g)(x)

This is equivalent to:

=f(x)+g(x)

By substitution:

=(x-4)+(3x+5)

Rearranging yields:

=(x+3x)+(-4+5)

Combine like terms:

=4x+1

Hence:

(f+g)(x)=4x+1

kvv77 [185]3 years ago
3 0

Answer:

please refer to the above attachment

\boxed{(4x + 1) \: is \: the \: right \: answer.}

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The proportion will have to be read the same way.  For example top Δ bottom  to the lower Δ bottom (locate in the same place)

14/21 = 6 /9     Yes  because the top Δ bottom to lower Δ bottom = top side to  

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8 0
3 years ago
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