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KonstantinChe [14]
2 years ago
8

If F (x) =8+11 X-3X², find a. What is F (5)? b. What is F (x + b)? c. What is F (-3)?

Mathematics
1 answer:
stepladder [879]2 years ago
5 0

Answer:

a) -12

b) 8+11x+11b-3x^2-3b^2-6xb

c)-52

Step-by-step explanation:

in a) we have to substitute the value of x with 5

in b) we substitute the value of x with (x+b) and then simplify

in c) just have to substitute x with -3

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A country's population in 1994 was 140 million. In 1998 it was 146 million. Estimate the population in 2011 using the exponentia
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Answer:

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Step-by-step explanation:

The exponential growth formula is given by

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r is the growth rate of the population and

t s the number of years after the initial year.

We obtain the value of r by comparing the growth between 1994 and 1998.

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7 0
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8 0
3 years ago
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4 0
3 years ago
How do you solve (Arc)QPT if &lt;QZT = 120
yuradex [85]
By definition, the arc length is given by:
 arc = R * theta * ((2 * pi) / 360)
 Where,
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 R: radio
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 Substituting values we have:
 (Arc) QPT = R * theta * ((2 * pi) / 360)
 (Arc) QPT = (13.5) * (240) * ((2 * pi) / 360)
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 Answer:
 
(Arc) QPT = 56.55 units
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