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konstantin123 [22]
2 years ago
13

F(x)=4^x and g(x)=4^x+2

Mathematics
1 answer:
dsp732 years ago
3 0

Given:

The two functions are:

f(x)=4^x

g(x)=4^x+2

To find:

The type of transformation from f(x) to g(x) in the problem above and including its distance moved.

Solution:

The transformation is defined as

g(x)=f(x+a)+b                .... (i)

Where, a is horizontal shift and b is vertical shift.  

  • If a>0, then the graph shifts a units left.
  • If a<0, then the graph shifts a units right.
  • If b>0, then the graph shifts b units up.
  • If b<0, then the graph shifts b units down.

We have,

f(x)=4^x

g(x)=4^x+2

The function g(x) can be written as

g(x)=f(x)+2            ...(ii)

On comparing (i) and (ii), we get

a=0,b=2

Therefore, the type of transformation is translation and the graph of f(x) shifts 2 units up to get the graph of g(x).

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Alexeev081 [22]
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3 years ago
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Answer:

0.36427

Step-by-step explanation:

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P(X = x) = (e^-λ)(λ⁻ˣ)/x!

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But the probability required is that the messages thay come in an hour is between 15 and 20, that is, P(15 < X < 20)

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These probabilities will be evaluated using a cumulative frequency calculator.

P(X < 20) = 0.65092

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P(15 < X < 20) = P(X < 20) - P(X ≤ 15) = 0.65092 - 0.28665 = 0.36427.

You can use the Poisson distribution calculator here

https://stattrek.com/online-calculator/poisson.aspx

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