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vitfil [10]
3 years ago
5

For the function f defined b f(x)=x^2+2x+3 find f(-x), -f(x), and -f(-x).

Mathematics
1 answer:
Rom4ik [11]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

To evaluate f(- x) substitute x = - x into f(x)

f(- x) = (- x)² + 2(- x) + 3 = x² - 2x + 3

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

- f(x) = - (x² + 2x + 3) ← distribute parenthesis by - 1

       = - x² - 2x - 3

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

- f(- x) ← substitute f(- x) from above

= - (x² - 2x + 3) ← distribute parenthesis by - 1

= - x² + 2x - 3

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romanna [79]

Answer:

A

Step-by-step explanation:

We know that in normal distribution, approximately 34% of bags will fall with in one standard deviation on one side. On both sides within the range of 1 standard deviation, 34 + 34 = 68 % of bags will fall.

Our range is:

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3 years ago
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frez [133]

Step-by-step explanation:

=( n-2)180

= ( 4 - 2 )180

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So, 144 + 90 + m<2 +m<1 = 360

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their is an unknown angle so let's call it x

let's find x first ( m<6=49)

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Now let's find m<7

m<7 + 38 + m<4 + x = 360

m<7 + 38 + 85 + 131 = 360

m<7 + 254 = 360

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8 0
3 years ago
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Nimfa-mama [501]
The answer is always
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Tcecarenko [31]

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Step-by-step explanation:

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olchik [2.2K]

Answer:

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Step-by-step explanation:

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