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Today at 7:26 PM
Mathematics

Answered

If f(x) =3x2 and g(x)=4x3+1, what the degree of (f•g)(x)?

2
3
5
6

Answer :

a5904640 a5904640

Today at 7:31 PM

f(x) = 3x²

g(x) = 4x³ + 1

f(g(x)) = 3.(4x³ + 1)²

As we know

(a + b)² = a² + 2.a.b + b²

So,

(4x³ + 1) = (4x³)² + 2.4x³.1 + 1² = [tex]4x^6+8x^3+1[/tex]

f(g(x)) = 3.([tex]4x^6+8x^3+1[/tex])

The degree is the maximum exponent, so, 6.

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jfionafox jfionafox

Today at 7:31 PM

Answer:

its D. 6

Step-by-step explanation:

got it right on edge 2021

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