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astra-53 [7]
3 years ago
8

What is the degree of f(x) = (x + 3)(x - 1)(2x + 2)?A. 1 B.2 C.3 D.4

Mathematics
1 answer:
Semmy [17]3 years ago
4 0

Answer:

I believe the answer is c) 3

Step-by-step explanation:

f(x) = (x + 3)(x - 1)(2x + 2)

x(x) + x(-1) + 3(x) + 3(-1)

f(x) = (x^2 - x + 3x - 3)(2x + 2)

f(x) = (x^2 + 2x - 3)(2x + 2)

2x(x^2) + 2x(2x) + 2x(-3) + 2(x^2) + 2(2x) + 2(-3)

f(x) = (2x^3 + 4x^2 - 6x + 2x^2 - 6)

<u>f(x) = (2x^</u><u>3</u><u> + 6x^2 - 6x - 6)</u>

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Step-by-step explanation:

We have

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DaniilM [7]
Be:
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<span>The cost of renting a bike for the first hour is $7:
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Answers:
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