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IRISSAK [1]
2 years ago
15

For f(x) = 2x + 1 and g(x) = x2 - 7, find (f - g)(x).

Mathematics
2 answers:
Lyrx [107]2 years ago
8 0

Answer:

Option A

- x² + 2x - 6

Step-by-step explanation:

Here,

f(x) = 2x + 1

g(x) = x² - 7

Now,

(f - g)(x)

= f(x) - g(x)

= 2x + 1 - x² - 7

= 2x - x² - 7 + 1

= 2x - x² - 6

= - x² + 2x - 6

Thus, (f - g)(x) = - x² + 2x - 6

<u>-TheUnknownScientist</u>

kakasveta [241]2 years ago
5 0

Step-by-step explanation:

f(x)=2x+1

g(x)=2x-7

now,

  • f-g(x)=f(x)-g(x)
  • 2x+1-2x+7
  • 8

(f-g)(x)=8

hope it helps.

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