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Nesterboy [21]
3 years ago
13

If f(x) = -3x - 5 and g(x) = 4x - 2, find (f+ g)(x).

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0

Answer:

\boxed{\sf x - 7}

Given:

f(x) = - 3x - 5

g(x) = 4x - 2

To Find:

(f + g)(x)

Step-by-step explanation:

\sf (f + g)(x) = f(x) + g(x) \\ \\   \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  =  - 3x - 5 + 4x - 2 \\  \\  \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  = 4x - 3x - 5 - 2 \\  \\  \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  = x - 5 - 2 \\  \\  \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  = x - 7

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