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polet [3.4K]
3 years ago
14

Given f(x) = -x^2 - 2x + 4, find each of the following,

Mathematics
2 answers:
tankabanditka [31]3 years ago
7 0

Answer:

Symmetric point: x = -1; (-1, 5)

Minimum of f: None; approaches -∞.

Maximum of f: y = 5.

Is f(x) a one-to-one: No, it fails the horizontal line test and is not injective.

Increasing from: -∞ to -1; (-∞, -1)

Decreasing from: -1 to ∞. (-1, ∞)

chubhunter [2.5K]3 years ago
6 0

Answer:

Given f(x) = -x^2 - 2x + 4, find each of the following,

Step-by-step explanation:

f(x) = -x²-2x+4

f(2) = (-2)²-2×2+4

f(2) = 4-4+4

f(2) = 4

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What is the sum of 6/7 and 1/2?
Svetllana [295]

The sum of the fraction 6/7 and 1/2 is 19/14

<h3>How to add fractions</h3><h3 />

Given:

sum of 6/7 and 1/2

Sum means addition(+)

= 6/7 + 1/2

The least common denominator is 7 × 2 = 14

= 6/7 + 1/2

= (12+7) / 14

= 19/14

Therefore, the sum of 6/7 and 1/2 is 19/14

Learn more about fraction:

brainly.com/question/11562149

3 0
2 years ago
Read 2 more answers
7.4 Centimeters to kilometers
Ket [755]

Answer:

.00074 km

Step-by-step explanation:

7.4 cm  *  1 m    *  1km   =7.4/100/100=.00074

            100 cm    100m

7 0
3 years ago
Find the coordinates of the midpoint of the segment with the given endpoints.
lesantik [10]

Answer:

The midpoint is (4,3)

Step-by-step explanation:

I attached the midpoint formula.

<u>( -1 + 9 )</u>       <u>( 4 + 2 )</u>

     2                2

8 / 2 = 4         6 / 2 = 3

(4,3)

8 0
3 years ago
Which answer choice correctly represents 0.4121212…?<br> A. 0.412<br> B. <br> C. <br> D.
alexandr402 [8]
Answer = the value in the second picture or middle

The one in the second picture
The bar on top of the numbers 12 means that the 12 keeps on re-occurring
8 0
2 years ago
A student is considering publishing a new magazine aimed directly at owners of Japanese automobiles. He wanted to estimate the f
JulsSmile [24]

Answer:

Check Explanation

Step-by-step explanation:

a) Confidence Interval for the population mean is basically an interval of range of values where the true population mean can be found with a certain level of confidence.

Mathematically,

Confidence Interval = (Sample mean) ± (Margin of error)

With p(japan) representing the true population proportion of US automobile that are made in Japan, the computer output 90% confidence

0.29938661 < p(japan) < 0.46984416

mean that p(japan); the true population proportion of US automobile that are made in Japan lies within the range of proportions (0.29938661, 0.46984416) with an assurance level of 90%.

b) 90% confidence mean that the true proportion may or may not be in the given range, but we are 90% certain that it does.

c) The confidence interval contradicts the politician's claim that "Half of all cars in the United States are made in Japan" because the proportion in the politician's claim, (0.50), does not lie within the range of values that our confidence interval says the true population proportion can take on; (0.29938661, 0.46984416).

0.50 lies outside of the confidence interval obtained for the true population proportion of US automobiles that are made in Japan, hence, the confidence interval contradicts the politician's claim.

Hope this Helps!!!

3 0
3 years ago
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