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mina [271]
3 years ago
10

For f(x)=4x+1 and g(x)=x^2-5, find (f+g)(x)

Mathematics
1 answer:
inn [45]3 years ago
6 0

For this case we have the following functions:

f (x) = 4x + 1\\g (x) = x ^ 2-5

We must find (f + g) (x). By definition we have to:

(f + g) (x) = f (x) + g (x)

So:

(f + g) (x) = (4x + 1) + (x ^ 2-5) = 4x + 1 + x ^ 2-5 =

Different signs are subtracted and the major sign is placed.

(f + g) (x) = x ^ 2 + 4x-4

Answer:

(f + g) (x) = x ^ 2 + 4x-4

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