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
Liono4ka [1.6K]
3 years ago
11

which statements about the graph of the function f(x) = –x2 – 4x 2 are true? check all that apply. the domain is {x|x ≤ –2}. the

range is {y|y ≤ 6}. the function is increasing over the interval (–∞ , –2). the function is decreasing over the interval (−4, ∞). the function has a positive y-intercept.

Mathematics
2 answers:
Ronch [10]3 years ago
8 0

Answer:

B,C, & E

Step-by-step explanation:

Evgen [1.6K]3 years ago
5 0

we have that

f(x) = -x^{2} - 4x+ 2

using a graph tool

see the attached figure

statements

case a) The domain is {x|x ≤ –2}-------> Is False

the domain is all real numbers---------> the interval (-∞,∞)

case b) The range is {y|y ≤ 6}.------> Is True

The range is the interval (-∞,6]

case c) The function is increasing over the interval (–∞ , –2).-----> Is True

See the attached figure

case d)The function is decreasing over the interval (−4, ∞).-----> Is False

In the interval (-4,-2) the function is increasing and in the interval (-2,∞) the function is decreasing (See the attached figure)

case e)The function has a positive y-intercept.------> Is True

The value of y-intercept is 2

You might be interested in
The random variable x is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the proba
Olegator [25]

Answer:

The probability that occurrence of 8 in ten minutes is 0.0771.

Step-by-step explanation:

Poisson Distribution:

A discrete random variable X having the enumerable set {0,1,2,.....} as the spectrum, is said to have Poisson distribution with parameter \mu (>0), if the p.m.f is given by

P(X=x)=\frac{e^{-mu}\mu^x}{x!}  for x=0,1,2,...

               = 0,           elsewhere

The mean number of occurrences in ten minutes is 5.3.

Here \mu = 5.3 and x= 8

P(X=8)=\frac{e^{-5.3}(5.3)^8}{8!}

               =0.0771

The probability that occurrence of 8 in ten minutes is 0.0771.

3 0
2 years ago
Which of these is NOT an Element of Art?
lesantik [10]

Answer:

i think line?

Step-by-step explanation:

im not sure but thatts my best geuss!

6 0
2 years ago
GOD NOSCOPE::
AVprozaik [17]

Step-by-step explanation:

It's 22,5 miles

Your welcome

4 0
2 years ago
John needs 20grams of a 54% acid solution for his science project. His school's science lab has 30% solution and bottles of 60%
stepladder [879]

Answer:

If you were to multiply the percentages by the numberws your using to the AB formula you can get the answer 252 B

Step-by-step explanation:

3 0
2 years ago
What is (xy)7 in expanded form
Natali5045456 [20]

Answer:

7xy

Step-by-step explanation:

multiply the outside of the brackets by the inside so it is 7xy

3 0
3 years ago
Other questions:
  • What is the product?
    6·1 answer
  • How do you subtract fractions with different denominators?
    11·2 answers
  • Jesse takes two data points from the weight and feed cost data set to calculate a slope, or average rate of change. A ferret wei
    9·1 answer
  • What is 16.748 rounded to nearest hundredths
    15·1 answer
  • 1+1÷6×(8x)6 pls answer pls pls
    13·1 answer
  • Ed and carol are jogging around a circular track in the park. the diameter of the track is 0.8 miles. find, to the nearest mile,
    12·1 answer
  • Help please<br><br> (3x^2 + 5x - 9) + (-3x + 4)
    5·2 answers
  • Question 4 of 40
    12·1 answer
  • jamie deposits $900 into a savings account that pays 2% interest. if he leaves the money in the account for 3 years, how much in
    15·1 answer
  • Last week a baseball bat was on sale at Academy Sports for $125.90. It is now on sale for $88.13. Also last week there was a bas
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!