If f(x) = (x^2-1)/(2x+3) then f(-4) =
a. -3
b. -(17/11)
c. -(17/5)
d. 15/11
e. 5/2

Answers

Answer 1

Answer:

b

Step-by-step explanation:

-4 squared = -16 -1 = -17

2(-4)= -8+3=11

thus giving you -(17/5)


Related Questions

Consider the following functions.
f(x) = 3/x, g(x) = x/(x + 3)

Find
(f ∘ g)(x).



Find the domain of
(f ∘ g)(x).
(Enter your answer using interval notation.)


Find
(g ∘ f)(x).



Find the domain of
(g ∘ f)(x).
(Enter your answer using interval notation.)


Find
(f ∘ f)(x).



Find the domain of
(f ∘ f)(x).
(Enter your answer using interval notation.)


Find
(g ∘ g)(x).



Find the domain of
(g ∘ g)(x).
(Enter your answer using interval notation.)

Answers

Answer:

umm

Step-by-step explanation:

josie buys a scoop of dried cranberries and a scoop of dried bananas to make trail mix. The dried cranberries weight 8.5 ounces and cost $0.30 per ounce. The dried bananas weigh 10.5 ounces and cost $0.20 per ounce. How much does josie spend on the dried food

Answers

Answer:yes

Step-by-step explanation:

can i have help please ​

Answers

Answer:

A

Step-by-step explanation:

4x+8≥5(3-x)
solve with steps pleaseee!

Answers

Answer:

[tex]x >\ or\ =\ \frac{7}{9}[/tex]

Step-by-step explanation:

[tex]We\ are\ given\ that,\\4x+8>\ or =\ 5(3-x)\\Hence,\\We\ can\ treat\ inequality\ in\ the\ same\ way\ we\ do\ for\ solving\ equalities.\\Hence,\\4x+8>\ or\ =\ 5(3-x)\\By\ simplifying\ the\ RHS,\\4x+8 >\ or\ =\ 15-5x\\Hence,\\Adding\ (+5x)\ to\ the\ LHS\ and\ RHS,\\4x+8+(5x) >\ or\ =\ 15-5x+(5x)\\Simplifying,\\5x+4x+8 >\ or\ =\ 15+(5x-5x)\\9x+8 >\ or\ =\ 15\\Adding\ (-8)\ to\ both\ LHS\ and\ RHS,\\9x+8+(-8) >\ or\ =\ 15+(-8)\\Simplifying,\\9x+(8-8) >\ or\ =\ 7\\[/tex]

[tex]9x >\ or\ =7\\x >\ or\ =\ \frac{7}{9}[/tex]

Step-by-step explanation:

4x+8≥5(3-x)

4x+8≥15-5x

adding 5x on each term

4x+5x+8≥15-5x+5x

9x+8≥15

subtract each term by 8

9x+8-8≥15-8

9x≥7

dividing each term by 9

9x/9=7/9

x≥7/9

is your answer

A random variable X has a lognormal distribution if Y = ln X has a normal distribution. For this problem, assume that Y has a mean and standard deviation of 0.353 and 0.754
(a) What are the possible values X can take?
(b) What is the probability that X is between 1 and 2?

Answers

Answer:

Step-by-step explanation:

From the given information:

For X to be valid, the possible values of X should be greater than zero i.e. X > 0

If X obeys a lognormal distribution

Then; Y = In X

So,

Now,

[tex]E(X) = e^{0.353} + \dfrac{1}{2}(0.754)^2[/tex]

[tex]E(X) = 1.8913[/tex]

Also;

[tex]V(X) = e^{2 \times 0.353 + 2(0.754)^2} -e^{2\times 0.353 + (0.754)^2}[/tex]

V(X) = 2.7387

SD(X) = 1.6549

[tex]P(1 < X < 2) = P(X < 2) - P(X < 1)[/tex]

= 0.108

A chocolate chip cookie recipe calls for 2 cups of chocolate chips for every 3 cups of flour. How much flour would you use if you only had 1 cup of chocolate chips?​

Answers

Answer:

you would use 1.5 cups of flour

HELP PLEASE


-9x + 3 > 39 OR - 5x + 6 < 16

Answers

9514 1404 393

Answer:

  (-∞, -4) ∪ [-2, ∞)

Step-by-step explanation:

The solution to the first inequality is ...

  -9x +3 > 39

  -9x > 36 . . . . . subtract 3 from both sides

  x < -4 . . . . . . . divide both sides by -9; reverse > to < because -9 is negative

__

The solution to the second inequality is ...

  -5x +6 ≤ 16

  -5x ≤ 10 . . . . . . . subtract 6 from both sides

  x ≥ -2 . . . . . . divide both sides by -2; reverse ≤ to ≥ because -2 is negative

__

These solution sets are disjoint. The solution of the OR of these inequalities is the union of the solution sets. The graph is shown below. In interval notation, it is described by ...

  (-∞, -4) ∪ [-2, ∞)

The -2 has a square bracket because it is included in the set. The curved bracket at -4 indicates it is not included.

The table shows the toothbrush production rate of One machine. Toothbrush Production Minutes 2 4 6 8 10 Toothbrushes 140 280 | 420 | 560 700 Which of these describes the production rate per minute? 30 toothbrushes 50 toothbrushes 70 toothbrushes d 140 toothbrushes​

Answers

9514 1404 393

Answer:

  c)  70 toothbrushes per minute

Step-by-step explanation:

The table tells you that production is 140 toothbrushes in 2 minutes. Dividing toothbrushes by minutes gives you the "per minute" value:

  (140 toothbrushes)/(2 minutes) = (140/2) toothbrushes/minute

  = 70 toothbrushes/minute

Why is the accounting cycle important?

Answers

because without it the economy would fail :)
The accounting cycle ensures that all accounts are updated and maintained.
This is important since the accounts receivable representatives will get the company's owed funding to keep the finances balanced.

A rugby team had 45 players show up for tryouts last year. This year 60 players came to tryouts. What was the percent increase in the number of players that showed up this year compared to last year?

Question 5 options:

33%


133%


75%


175%

Answers

Answer:

60-45= 15

15/45= 0.33

0.33 X 100 = 33%

Scott earned 20 points more on his most recent math test than he earned on the previous test. If he earned at least 80 points on the most recent math test, how many points did he earn on the previous test?

Question 16 options:

s ≤ 60


s 60


s ≥ 60

Answers

9514 1404 393

Answer:

  s ≥ 60

Step-by-step explanation:

If Scott earned 20 points more on this test, then he earned 20 points less on the last test. 20 points less than "at least 80" is "at least 60."

  s ≥ 60

Will give brainlist
The radius of a circle is 40 miles. What is the angle measure of an arc 9pi miles long?

Answers

Answer:

40.5°

Step-by-step explanation:

So this problem is a ratio setup. First, you have to calculate the total circumference of the circle using the following formula:

c = 2πr

Where c is the circumference, and r is the radius of the circle. Therefore:

c = 2π(40)

Simplify:

c = 80π

Now if the arc is 9π miles long, then it's a fraction of the whole circle, which is 360° . We can set this up as follows:

[tex]\frac{9\pi }{80\pi }[/tex] = [tex]\frac{x}{360}[/tex]

Now if we cross-multiply to solve for x:

(9)(π)(360) = (80)(π)(x)

When simplified dividing by 10π :

9*36 = 8x

Simplfy.

324 = 8x

Solve for x.

x = 40.5

what is the sum of the sequence 4 + 9 + 14 + 19 + 504​

Answers

Answer:

550

Step-by-step explanation:

using my brain

Answer:

550

Step-by-step explanation:

common sense.........

what is t?
5t - 11 = 99

Answers

Answer:

22

Step-by-step explanation:

5t=99+11

5t=110

divide both side by 5 to find the value of t

can someone explain this to me?? so im trying to find the scale factor of quadrilateral I to quadrilateral II and the answer is 1/2 but how does that make sense if quadrilateral I is smaller than Quad II? if we were to use the scale factor wouldnt it just divide our side lengths in half?

Answers

Answer:

the scale factor is 1/2 you are right and that is credible as the larger cd is 20 and smaller bc 10 which make out that it is half of the other Quad and the marking on the edge makes clear us that it is equal whatever the drawing is.

Step-by-step explanation:

BC=2CD

10x=20

x=10/20

x=1/2

if u want to find the other angle then it is 2 times of the smaller quad that will be:

AG=FE

15=2(15)=30

AB=ED

9=2(9)=18

GC=FC

13=2(13)=26

If u have read the book Ungifted by Gordon Korman then hopefully u can answer this question: Consider the two schools in the book; the Academy for Scholastic
Distinction and Hardcastle Middle School. In what ways are they
similar or different? Consider the physical space, school cultures,
lunchroom offerings, and students.

Answers

Answer:

similar

Step-by-step explanation:

1/2(6y-8)-(12y-16)+7

Answers

Answer:

-9y + 19

Hope that helps.

Zane has 30 cupcakes and wants to give six each to a number of his friends.How many friends can he do this for ? ​

Answers

5 friends this one was pretty easy
The answer is 5 because if you do the math 30 divided by 6 it equals 5

The sum of a number and three is doubled the result and six less than the number find the number

Answers

Answer:

2(x+2)= 3x-6

2x+4= 3x-6

x=10

Step-by-step explanation:

The awnser would be x=10

Help plz:)))I’ll mark u Brainliest

Answers

Answer:

x=12 Proportion should be 1 2/3

Step-by-step explanation:

To find PT, subtract 26 from 65= 39

26/39 is equal to 2/3, so 30/(4x-3) should also be equal to 2/3

30/(4x-3)=2/3 (Cross Multiply)

30*3=90

2(4x-3)=8x-6

8x-6=90 (Add 6 to both sides)

8x=96 (Divide 8 from both sides)

x=12

QT is equal to 4(12)-3=45

RT is 75

Proportion: 65/39=1 2/3

75/45=1 2/3

The question with the options are in the picture ^ plz and thank you

Answers

Answer:

A 90

Step-by-step explanation:

-44 x -44 × -44 × -44 =

Answers

Answer:

3748096

Step-by-step explanation:

Write an equation in slope-intercept form:
y-5= 3(x-4

Answers

y = 3x -7 is the slope form .

Answer:

Y = 3x -7 is your answer hope I helped

Step-by-step explanation:

Mikiyah invested $2,500 in a simple interest account for 2 years.At the end of the years she has earned $75 in interested.What was the simple interest rate of this account?

Answers

Answer:

1.5%

Step-by-step explanation:

Which expression is equivalent to 3(x - 2)+2x?
-X
3x
5x - 2
5X-6

Answers

Answer:

D

Step-by-step explanation:

3(x-2)+2x=3x+2x-6=5x-6

Factor each expression.
4x² +25

Answers

Answer:

-5,5

Step-by-step explanation:

(2x+5)( 2x-5) x-5=0 x+5=0 I think that's what you do not sure

I will give brainiest to whoever answers correctly !!

Answers

Answer: the mark up price of the fish dinner is around 36.36%

Explanation: 18.75 - 13.75/13.75=5
5 divided by 13.75= 0.36363636.

Hope this helps!

HELP MWAH WITH YOURS TRULYS MATH

Answers

Answer:

its 1/2

Step-by-step explanation:

because 1/2 of 10/10 is 5/10

Answer:

1

Step-by-step explanation:

[tex]\frac{5}{10}[/tex]= 0.5

[tex]\frac{1}{2}[/tex]= 0.5

therefore making them equivilant

In an hyperbola, the fixed points that have a constant difference in distance from the center are called _

A. Asymptotes
B. Centers
C. Foci
D. Vertices

Please select the best answer from the choices provided

OA
OB
OC
OD

Answers

Answer is C. Foci...

The correct answer is C. Foci.

A hyperbola is defined as the flat open curve resulting from the intersection of a right circular cone from a plane not parallel to any of its origins. The line joining the foci of the hyperbola is called the base line.

The perpendicular to the middle of the baseline is called the center line. It becomes apparent that all points of the center line are equidistant from the foci.

Learn more in https://brainly.com/question/15697124

The dolphins are feed 64 buckets of fish each day. The penguins are feed 1/8 as many buckets of fish as the dolphins. How many buckets of fish do the penguins eat?

Answers

Answer:

8

Step-by-step explanation:

You just gotta divide 64 by 8

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