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Llana [10]
2 years ago
13

Find the value of x. Round to the nearest tenth.

Mathematics
1 answer:
Sphinxa [80]2 years ago
3 0

Answer:

14.86854, or 15

Step-by-step explanation:

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In two or more complete sentences describe how to determine if the function, f(x)=3cos(x) is even by looking at a graph
frutty [35]

A function is said to be even if its graph is symmetric with respect to the y-axis, that is:


A \ function \ y=f(x) \ is \ \mathbf{even} \ if, \ for \ each \ x \ in \ the \ domain \ of \ f:\\ \\ f(-x)=f(x)


Therefore:


<h2>SENTENCE 1:</h2><h3 />
  • Since f(x)=3cos(x) is symmetric with respect to the y-axis, then the function is even as illustrated in the Figure below.

<h2>SENTENCE 2:</h2><h2 />
  • Since f(x)=3cos(x) \ and \ f(-x)=3cos(-x)=3cos(x), thus f(x)=f(-x), then the function is even as illustrated in the Figure below.

6 0
3 years ago
The population of a small rural town in the year 2006 was 2,459. The population can be modeled by the function below, where f(x)
Zepler [3.9K]

f(x)=2,459(0.92)^t

Using the information given above, complete the following statements. The percent change is %. The percent change represents .

f(x)=2,459(0.92)^t

Given equation is an exponential function and in the form of f(x) = a(1-r)^x

Where 'a' is the initial population

'r' is the decay rate

'x' is the time

f(x) = a(1-r)^x

Given function is f(x)=2,459(0.92)^t

1 - r = 0.92

r = 1 - 0.92

r = 0.08

r= 0.08 %

Percentage change = 0.08%

Percentage change represents the decay rate.

8 0
3 years ago
Read 2 more answers
Point J is located at (2,5)(2,5) and point K is located at (4,19)(4,19).
Anni [7]
We have the coordinates
J (2,5)
K (4,19)

Since we are to find the point that partitions the line segment into 3:2 ratio, we have 5 equal parts of the line segment. So,

Get the horizontal distance:
4 - 2 = 2
Divide by 5
2/5
Multiply by 3
2/5 x 3 = 1.2
Add this to the x coordinate of J
2 + 1.2 = 2.2

Get the vertical distance:
19 - 5 = 14
Divide by 5
14/5
Multiply by 3
14/5 x 3 = 8.4
Add this to the y coordinate of J
5 + 8.4 = 13.4

The coordinates of the point is
(2.2,13.4)
5 0
3 years ago
How many square feet of outdoor carpet will we need for this hole?​
user100 [1]

Answer:

it would be 6

Step-by-step explanation:

8 0
3 years ago
Graph the difference between (4.5, -1.5) and (4.5, 7.25)
Gennadij [26K]

Answer:

The difference is 8.75

Step-by-step explanation:

Plot the points or 7.25+1.5=8.75

4 0
3 years ago
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