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
Lostsunrise [7]
4 years ago
5

If f(x)=3-2xand9(x)=1/x+5 what is the value of (f/g)(8)

Mathematics
1 answer:
Marta_Voda [28]4 years ago
3 0
F(x)=3-2x
g(x)=(1/x)+5
(f/g)(8)
f(8)=3-2(8)
f(8)=3-16
f(8)=-13
g(8)=(1/8)+5
g(8)=5.125, or 41/8
(f/g)(8)=(-13)/(41/8)
(f/g)(8)=-104/41, or -2.536585366
You might be interested in
Complete the equation 0.037 x ? = 37 pls hurry
OleMash [197]

Answer:

The missing number is 1000

Step-by-step explanation:

0.037 × ? = 37

Divide both sides by 0.037.

a = \frac{37}{0.037}

Expand \frac{37}{0.037} by multiplying both the numerator and the denominator by 1000.

a = \frac{37000}{37}

Divide 37000 by 37 to get 1000.

a = 1000

Hope it helps and have a great day! =D

~sunshine~

4 0
2 years ago
Which property of polynomial addition says that the sum of two polynomials
ArbitrLikvidat [17]

Answer:

The property of polynomial addition that says that the sum of two polynomial is always a polynomial is called closure property of addition or under addition.

Polynomials are closed under addition because when you add polynomials the letters and their exponents do no change, you just add the coefficients of the like terms (those with same letters raised to the same exponents), so the result will be other polynomial of the same kind, except for the terms that cancel (positive with negative) which does not change the fact that the result is still a polynomial.

In mathematics the closure property means that the result of an operation over a kind of "number" will result in a "number" of the same kind.

7 0
3 years ago
f(x) = x4 - 50x2 + 3 (a) Find the intervals on which f is increasing. (Enter the interval that contains smaller numbers first.)
shtirl [24]

Answer:

  (-5, 0) ∪ (5, ∞)

Step-by-step explanation:

I find a graph convenient for this purpose. (See below)

__

When you want to find where a function is increasing or decreasing, you want to look at the sign of the derivative. Here, the derivative is ...

  f'(x) = 4x^3 -100x = 4x(x^2 -25) = 4x(x +5)(x -5)

This has zeros at x=-5, x=0, and x=5. The sign of the derivative will be positive when 0 or 2 factors have negative signs. The signs change at the zeros. So, the intervals of f' having a positive sign are (-5, 0) and (5, ∞).

5 0
3 years ago
15.60 to 11.70 percent of change
Marizza181 [45]
15.6 - 11.7 = 3.9

3.9 ÷ 15.6 = .25

25% of change
8 0
3 years ago
Match each question to the correct problem.
Maslowich
<h2>Answer:</h2>

<em>(Check attached images).</em>

<h2>Step-by-step explanation:</h2>

<h3>Exercise 1.</h3>

a. Convert to decimals.

To order the numbers from least to greaters, convert them to decimals and compare.

5.2(percent)=0.052\\ \\\frac{1}{7} =0.1429\\\\ -0.8=-0.8000\\ \\\frac{-11}{5} =-2.2

b. Select the second least number.

-0.8.

<h3>Exercise 2.</h3>

a. Convert to decimals.

-3.4(percent)=-0.034\\ \\-0.031\\\\ -0.2\\ \\-\sqrt{0.8}= -0.8944

b. Select the correct number.

-\frac{1}{5}.

<h3>Exercise 3.</h3>

a. Convert to decimals.

<em>After seeing that there are negative and positive numbers, and with the premise that negative numbers are </em><u><em>always</em></u><em> lesser than positive numbers, we'll only compare the positive numbers.</em>

<em>59%=0.59</em>

<em>3/5=0.6</em>

<em />

b. Select the correct number.

3/5.

<h3>Exercise 4.</h3>

a. Convert to decimals.

-0.35

-3.5%= -0.035

b. Conclude.

Seeing that -3.5% is less than -0.35, the symbol that makes the statement true is ">".

<h3>Exercise 5.</h3>

a. Try to visually estimate b.

B appears to have a value of -0.9.

b. Convert the numbers to decimals.

-3.4%= -0.034

-0.031

-1/5= -0.2

-\sqrt{0.8}= -0.8944

c. Select the correct answer.

<em>Since we estimated the value of b as -0.9, the number that best adequates to its value is </em>-\sqrt{0.8}.

<h3>Exercise 6.</h3>

a. Convert to decimals.

<em>After seeing that there are negative and positive numbers, and with the premise that negative numbers are </em><u><em>always</em></u><em> lesser than positive numbers, we'll only compare the positive numbers.</em>

5.2%= 0.052

1/7= 0.1429

b. Select the correct number.

5.2% is the second largest.

<h3>Exercise 7.</h3>

a. Convert to decimals.

6/7= 0.857143

0.857

b. Select the correct answer.

Seeing that 0.857 is marked as an approximate by the

ellipsis,  and considering that 6/7 is an irrational numbers, we can conclude that the number that better fits the situation and makes the statement true is "=".

<h3>Exercise 8.</h3>

a. Convert to decimals.

<em>After seeing that there are negative and positive numbers, and with the premise that negative numbers are </em><u><em>always</em></u><em> lesser than positive numbers, we'll only compare the negative numbers.</em>

<em>-4.6</em>

<em />-\sqrt{21} =-4.5826

b. Select the correct answer.

The smallest number is -4.6.

7 0
2 years ago
Other questions:
  • Which phrase describes the algebraic expression StartFraction 7 over 8 EndFraction y minus 3?
    9·2 answers
  • What is the slope of (-4,13) and (6,-2)​
    10·1 answer
  • Aluminum usage in automobiles has been climbing steadily. As recently as 1990, there were no aluminum-structured passenger cars
    15·1 answer
  • The Front wall of the shed that Rita built is 9 feet tall and 5 1/4 feet wide. after she cut out a section for a door the area o
    10·1 answer
  • A sweater was marked up from $40 to $50. If p is the percent increase in the price of the sweater, which proportion can be used
    10·1 answer
  • Which statements are true regarding the prism? Check
    9·2 answers
  • Scientific notation of a length of 0.0000923
    7·2 answers
  • Gavin loves biking. He wants to set a new score by riding 65 miles in four days. Each day he wants to ride 1.5 times as far as t
    7·2 answers
  • Which expression is equal to 2x7x6?
    8·1 answer
  • Need help with other math who’s gonna help me brainlest and points
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!