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Svet_ta [14]
3 years ago
10

URGENT. Find f(3) if f(x)=x^3 + 2x^2-x-1

Mathematics
2 answers:
Shalnov [3]3 years ago
7 0
The answer is 41 because x = 3
KonstantinChe [14]3 years ago
6 0

Answer:

41

Step-by-step explanation:

Jus replace x with 3 and put it in a calculator.

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What number can be used as a common denominator for the fractions 1/4 and 5/6
Liono4ka [1.6K]

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4 years ago
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First one right gets BRAINLIEST!!<br><br> If f(x)=x²+2x-3 and g(x)=x²-9, find (f/g) 4 and (f+g)(4)
Rasek [7]

Answer:

3 and 28

Step-by-step explanation:

note (\frac{f}{g} )(x ) = \frac{f(x)}{g(x)}

\frac{f(x)}{g(x)}

= \frac{x^2+2x-3}{x^2-9}  and

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-------------------------------------------------------

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

f(x) + g(x)

= x² + 2x - 3 + x² - 9 = 2x² + 2x - 12 and

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