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Katena32 [7]
2 years ago
13

If f(x) = x³ +7x²-x and g(x)=x²-3, What is the degree of g(f(x))? a)2 b)3 c)6 d)8

Mathematics
2 answers:
andrezito [222]2 years ago
5 0

Answer:

<u>c) 6</u>

Step-by-step explanation:

Given :

⇒ f(x) = x³ + 7x² - x

⇒ g(x) = x² - 3

===============================================================

Finding the degree of g(f(x)) :

⇒ Degree of f(x) = 3

⇒ Degree of g(x) = 2

⇒ Therefore, degree of g(f(x)) = degree of f(x) × degree of g(x)

⇒ Degree of g(f(x)) = 3 × 2

⇒ Degree of g(f(x)) = <u>6</u>

MrMuchimi2 years ago
5 0
  • g(f(x))
  • g(x³+7x²-x)
  • (x³+7x²-x)²-3

Degree of g(f(x))

Use Pascal's law

  • 3×2
  • 6

Option C

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