1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
inna [77]
3 years ago
6

F(x)3x+5/x what is f(a+2)

Mathematics
2 answers:
wolverine [178]3 years ago
8 0

Answer:

f(a+2) equals:

\dfrac{3a^2+12a+17}{a+2}

Step-by-step explanation:

We are given

f(x)=3x+\dfrac{5}{x}

We have to find the value of f(a+2)

substituting a+2 in place of x in f(x), we get

f(a+2)=3(a+2)+\dfrac{5}{a+2} \\\\f(a+2)=\dfrac{3(a+2)^2+5}{a+2} \\\\f(a+2)=\dfrac{3(a^2+4+4a)+5}{a+2} \\\\f(a+2)=\dfrac{3a^2+12+12a+5}{a+2} \\\\f(a+2)=\dfrac{3a^2+12a+17}{a+2}

Hence, f(a+2) equals:

\dfrac{3a^2+12a+17}{a+2}

Natalija [7]3 years ago
4 0
F(X) = (3x + 5)/X
F(a + 2) = (3(a + 2) + 5)/(a + 2)
F(a + 2) = (3a + 6 + 5)/(a+2)
F(a + 2) = (3a + 11)/(a + 2).

This would be the final solution.
You might be interested in
A figure is translated and then rotated about the origin. Which of the following is
coldgirl [10]

Answer:

C) The figures are congruent.

Step-by-step explanation:

Given

Translation and rotation on a figure

Required

Select the true option

Rotation and translation are rigid transformation and as such they do not change the size of the figure being transformed.

The implies that, the figure being transformed and the resulting figure will have the same dimension and the same angle measure.

<em>(c) is correct</em>

3 0
3 years ago
Faced with rising fax costs, a firm issued a guideline that transmissions of 10 pages or more should be sent by 2-day mail inste
Vladimir [108]

Answer:

The value of t test statistics is 5.9028.

We conclude that the true mean is greater than 10 at the .01 level of significance.

Step-by-step explanation:

We are given that a firm issued a guideline that transmissions of 10 pages or more should be sent by 2-day mail instead.

The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages.

<em />

<em>Let </em>\mu<em> = true mean transmission of pages.</em>

So, Null Hypothesis, H_0 : \mu \leq 10 pages     {means that the true mean is smaller than or equal to 10}

Alternate Hypothesis, H_A : \mu > 10 pages     {means that the true mean is greater than 10}

The test statistics that would be used here <u>One-sample t test statistics</u> as we don't know about the population standard deviation;

                        T.S. =  \frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }  ~ t_n_-_1

where, \bar X = sample mean = 14.44 pages

            s = sample standard deviation = 4.45 pages

            n = sample of fax transmissions = 35

So, <u><em>test statistics</em></u>  =  \frac{14.44-10}{\frac{4.45}{\sqrt{35} } }  ~ t_3_4  

                               =  5.9028

(a) The value of t test statistics is 5.9028.

Now, at 0.01 significance level the z table gives critical values of 2.441 at 34 degree of freedom for right-tailed test.

<em>Since our test statistics is more than the critical values of z as 5.9028 > 2.441, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which </em><em><u>we reject our null hypothesis.</u></em>

Therefore, we conclude that the true mean is greater than 10.

(b) Now, P-value of the test statistics is given by the following formula;

               P-value = P( t_3_4 > 5.9028) = Less than 0.05%    {using t table)

7 0
3 years ago
Translations and transformations mastery test
Angelina_Jolie [31]

Answer:

so ....where is the question?

3 0
3 years ago
Read 2 more answers
Put the brackets in to make this equation acurate 9+7x3÷10-1=2
liberstina [14]
Question is wrong.......any bracket can not solve this problem
6 0
3 years ago
Read 2 more answers
PLS HELPS!! THIS IS WORTH 200 PTS!! FIRST ONE ASNWERS CORRECTLY, GETS THE BRAINIEST.
Verizon [17]

Answer:

B) −2

Explanation:

When x is positive then y is positive integer.

When x is negative then y is negative integer.

<u>For Option A</u>

  • y = 2(-3) + 5
  • y = -1              [x is negative so is y]

<u>For Option B</u>

  • y = 2(-2) + 5
  • y = 1               [<u>x is negative</u> but <u>y is positive</u>]

<u>For Option C</u>

  • y = 2(1) + 5
  • y = 7               [x is positive so is y]

<u>For Option D</u>

  • y = 2(2) + 5
  • y = 9                [x is positive so is y]
8 0
2 years ago
Read 2 more answers
Other questions:
  • According to a​ study, one dash fifth of all rough diamonds produced in one region are blood diamonds.​ Also, 88​% of the​ regio
    8·1 answer
  • The table shows the temperature (in degrees) for eight consecutive days as well as the respective number of ice cream cones an i
    13·1 answer
  • 2x - 18x + 14y - 19<br> Is it equivalent
    9·2 answers
  • Whats the difference between numerator and denominatir
    8·2 answers
  • Find the limit. use l'hospital's rule where appropriate. if there is a more elementary method, consider using it. lim x → (π/2)+
    12·1 answer
  • Let p: A number is greater than 25.
    14·1 answer
  • What is the percent of change of 25 when decreased to 18?
    5·2 answers
  • Molly puts the flowers shown below into groups with the same number of flowers in each group Use the drop-down menus to tell how
    12·1 answer
  • Which of the following points is located in the third quadrant of the coordinate plane?
    6·1 answer
  • Solve the equation 2/3+2/5-7/15
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!