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vampirchik [111]
3 years ago
9

I need some help with this math question (period of the function)

Mathematics
1 answer:
Masja [62]3 years ago
4 0

Answer:

8π

Step-by-step explanation:

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Kyle bought a DVD that cost $19.23, including tax. She gave the sales clerk a $20 bill. How much change should Kyle receive?
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Answer: Kyle received $0.77

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X-6y-2z= 7<br> -2x+5y-2z= -1<br> -5x+6y+5z= -6
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Answer:

do you need the value of x?

x=7+6y+2z

-2(7+6y+2z)+5y+2z=-1 -7y=13+2z

-14-12y-4z+5y+2z=-1

-14-7y-2z=-1

-7y-2z=-1+14

-7y-2z=13

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3 years ago
Suppose f is a function which follows this pattern, where x and h are any numbers: f(a + h) = f(a)*f(h) Which type of function i
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f has to be a <em>power</em> function in order to satisfy the recurrence pattern f(x + h) = f(x) \cdot f(h)

<h3>Procedure - Determination of a function with a pattern.</h3>

In this case, we must assume a given function and check such assumption fulfill the given recurrence. Let suppose that f(x) = a^{x}, by algebra we have the following property:

f(x + h) = a^{x+h} = a^{x}\cdot a^{h} (1)

And by the definition given in statement, we have the following conclusion:

f(x+h) = a^{x}\cdot a^{h} = f(x) \cdot f(h) (2)

Therefore, f has to be a <em>power</em> function in order to satisfy the recurrence pattern f(x + h) = f(x) \cdot f(h). \blacksquare

To learn more on power functions, we kindly invite to check this verified question: brainly.com/question/5168688

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3 years ago
Salma invests the following sums of money in common stocks having expected returns as follows: a. what is the expected return (p
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Calculate the total amount invested by summing up all the values of the investment.

Total = 50,000

Calculate the weight of each investment. For WOOPS, weight = 5000 / 50000 = 10% and so on.

Now, Expected Return = sum of weight x Returns = 10% x 0.14 + 20% x 0.16 + ... + 18%x 0.18 = 16.01%

b) Similarly,

Beta of the portfolio = sum of weight x beta = 10% x 0.6 + 20% x 0.8 + ... + 18% x 0.18 = 0.7605

c) Portfolio has less systematic risk as the beta for the average market is 1, which is above the portfolio

d) Using CAPM, Return = Rf + beta x (Rm - Rf) = 4% + 0.7605 x (14% - 4%) = 11.605%

To calculate the expected return of a portfolio, the investor needs to know the expected return of each security in the portfolio and the total weight of each security in the portfolio. This means that investors need to sum the weighted averages of the expected returns (RoRs) of each security.

Investors are based on estimates of the expected rate of return on securities, assuming that what has proven to be true in the past will be true in the future. Investors do not use the structural view of the market to calculate the expected return. Instead, it determines the weight of each security in the portfolio by dividing the value of each security by the total value of the security.

Learn more about Percentage here: brainly.com/question/843074

#SPJ4

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2 years ago
Elisabeth took 13 minutes less than twice as long as Heather to solve the puzzle. If their total time together was 23 minutes, w
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Elisabeth would have took less time
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