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3 years ago

F(8)=x+2 solve for x

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

3 0

Answer:

f(x) = x + 2

f(8) = 8 + 2

f(8) = 10

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I Need help ASAP it is due today 5/26/21

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Answer:

Step-by-step explanation:

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3 years ago

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Lana71 [14]

Answer:

The advertisement should use 16 minutes.

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

$f(x) = \mu e^{-\mu x}$

In which $\mu = \frac{1}{m}$ is the decay parameter.

The probability that x is lower or equal to a is given by:

$P(X \leq x) = \int\limits^a_0 {f(x)} \, dx$

Which has the following solution:

$P(X \leq x) = 1 - e^{-\mu x}$

The probability of finding a value higher than x is:

$P(X > x) = 1 - P(X \leq x) = 1 - (1 - e^{-\mu x}) = e^{-\mu x}$

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This means that $m = 3.5, \mu = \frac{1}{3.5} = 0.2857$

What number of minutes should the advertisement use?

The values of x for which:

$P(X > x) = 0.01$

$e^{-\mu x} = 0.01$

$e^{-0.2857x} = 0.01$

$\ln{e^{-0.2857x}} = \ln{0.01}$

$-0.2857x = \ln{0.01}$

$x = -\frac{\ln{0.01}}{0.2857}$

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Rounding to the nearest number, the advertisement should use 16 minutes.

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Step-by-step explanation:

We should equal the average depth to 1, so if it raises 3%, it raises 0.03. Simply add the original (1) plus what it rose (0.03) and multiply the original by that, so 8.3 × 1.03 = new depth. The result is 8.549 feets.

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3 years ago

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siniylev [52]

Answer:

$(f+g)(x)=4x+1$

Step-by-step explanation:

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Rearranging yields:

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Combine like terms:

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Answer:

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Step-by-step explanation:

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