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umka2103 [35]
3 years ago
7

2 Points

Mathematics
1 answer:
DochEvi [55]3 years ago
8 0

Answer:

A

Step-by-step explanation:

f(x) = 2x^2 – 3x + 1 is a function (its graph is a parabola that opens up), and it is one-to-one (Answer A).  For each input, x, this function will return one output.

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II. The following figure shows an infinite zigzag path with each zag
nataly862011 [7]

The length of the infinite zigzag path is 1

<h3>How to determine the length</h3>

Note that the infinite zigzag path is embedded in an isosceles triangle

Using angle π/4, we have that

Tan π/4 = opposite/ adjacent

tan \frac{3. 412}{4}  = \frac{x}{1}

tan 0. 7855 = x

x = 0. 014

To find the longer part 'y',  use the Pythagorean theorem

y^{2} = (0.014)^2 + (1)^2

y^2 = 1.879 * 10^-4 + 1
y^2 = 1. 00

y = \sqrt{1. 000}

y = 1. 000

The length of the infinite zigzag path is the same as the length of the longer part of the triangle which equals 1.

Thus, the length of the infinite zigzag path is 1

Learn more about the Pythagorean theorem here:

https://brainly.in/question/48490459

#SPJ1

8 0
1 year ago
Help Solve Domain and Range
Zielflug [23.3K]

You would likely benefit far more from learning the definitions of "domain" and "range" than from being given the domain and range in each of these cases.

The domain of a function includes all values of the independent variable for which the function is defined (that is, for which there is a graph). In Case 1, x can have any real value, and so the domain is (-infinity, infinity).

The range of a function includes all values that the dependent value can have (that is, for which there is a graph). In Case 1, y can take on any real value, and so the range is (-infinity, infinity).


Contrast this case to Case 2. Here, y has only ONE value, so the range is simply y=2, or {2}. x can take on any value, so the domain is (-infinity, infinity).

6 0
3 years ago
Read 2 more answers
Find the missing length to the attached triangle.
professor190 [17]

Answer:

? = 140

Step-by-step explanation:

Use similar triangles and laws of proportions.

36/56 = 90/?

36 * ? = 56 * 90

? = 56 * 90/36

? = 140

3 0
3 years ago
Read 2 more answers
Write a proportion and find the missing side lengths. show work!! 30 points.
miv72 [106K]

Answer:

Step-by-step explanation:

34 . since the given two figure are similar their corresponding sides are proportonal.

let the missing side be x

take these ratios

15/18 = x/30

do cross multiplication

18*x = 30*15

18x = 450

x = 450/18

x = 25

therefore missing side is 25

35.since they are also similar their corresponding sides are proportional.

let the missing side be x

for this take these ratios

8/12 = 10/x

do cross multiplication

12*10 = 8*x

120/8 =x

15 =x

therefore missing side is 15.

7 0
3 years ago
What is the slope of a line passing through (3,4) and (5,8)
Olin [163]

Answer:

Use the slope formula: y1+y2/2 x1+x2/2

Step-by-step explanation:

If you plug in the coordinate values you will get your slope.

6 0
3 years ago
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