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Pepsi [2]
3 years ago
13

Which recursive formula can be used to generate the sequence shown, where f(1) = 9.6 and n > 1?

Mathematics
2 answers:
love history [14]3 years ago
5 0

Answer:

A. f(n + 1) = (–0.5)f(n)

Step-by-step explanation:

Katyanochek1 [597]3 years ago
4 0

Answer:

f(n + 1) = (–0.5)f(n)

Step-by-step explanation:

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Nookie1986 [14]
The carrot patch is a 2 by 5 rectangle so 2 times 5 is 10 so the answer is A
3 0
3 years ago
Four times the square of a positive number is eight times that number. Find the number.
kotykmax [81]

Answer:

  2

Step-by-step explanation:

Let x represent the number.

  4x^2 = 8x . . . . . 4 times the square of a number is 8 times that number

  4x^2 -8x = 0 . . . . subtract 8x

  4x(x -2) = 0 . . . . . factor

  x = 0  or  x = 2 . . . . the product is zero when the factors are zero

The positive number is 2.

6 0
3 years ago
Which of the following could be an example of a function with a domain
Butoxors [25]

Answer:

B. f(x) = x+a-b

4 0
4 years ago
A university dean is interested in determining the proportion of students who receive some sort of financial aid. Rather than ex
amm1812

Answer:

6546 students would need to be sampled.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

The dean randomly selects 200 students and finds that 118 of them are receiving financial aid.

This means that n = 200, \pi = \frac{118}{200} = 0.59

90% confidence level

So \alpha = 0.1, z is the value of Z that has a p-value of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

If the dean wanted to estimate the proportion of all students receiving financial aid to within 1% with 90% reliability, how many students would need to be sampled?

n students would need to be sampled, and n is found when M = 0.01. So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.01 = 1.645\sqrt{\frac{0.59*0.41}{n}}

0.01\sqrt{n} = 1.645\sqrt{0.59*0.41}

\sqrt{n} = \frac{1.645\sqrt{0.59*0.41}}{0.01}

(\sqrt{n})^2 = (\frac{1.645\sqrt{0.59*0.41}}{0.01})^2

n = 6545.9

Rounding up:

6546 students would need to be sampled.

3 0
3 years ago
To solve -3x2 + 12x - 14 = 0 by graphing, you need to find the information to graph the parabola. Answer the following questions
Lelechka [254]

Answer:

Step-by-step explanation:

-the parabola opens downward because a=-3 is negative

-the vertex is at (0, -2)

-axis of symetry is the y-axis so is x=0

-the y-intercept is at (0,-2)

-has imaginary solutions you can find using quadratic formula

If you go to desmos.com, click on graphic calculator and add threre your equation you cand check your answers

4 0
3 years ago
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