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nadya68 [22]
3 years ago
8

The number of users of a cell tower in a small, developing town increased by a factor of 1.5 every year from 2010 to 2019. The f

unction below shows the number of cell tower users, f(x), after x years from the year 2010:
f(x) = 5,000(1.5)x

Which of the following is a reasonable domain for the function?

A.2,010 ≤ x ≤ 2,019
B.0 ≤ x ≤ 5,000
C.0 ≤ x ≤ 9
D.All positive integers
Mathematics
2 answers:
Veronika [31]3 years ago
7 0

Answer:

Option C) 0 \leq x \leq 9

Step-by-step explanation:

We are given the following information in the question:

The number of users of a cell tower  increased by a factor of 1.5 every year from 2010 to 2019.

f(x) = 5000(1.5)^x

where f(x) is the number of cell tower users and x is the years from the year 2010.

We have to find the domain for the given function.

Domain of a function is defined as the possible values of x the function can take, so that the function is defined.

Since this function gives the number of cell users from 2010 to 2019, thus, it is applicable from year 2010 to 2019.

x takes the value of years after 2010.

Thus  for year 2010, x = 0 and for year 2019, x = 9

Thus, the domain of the given function is given by:

0 \leq x \leq 9

polet [3.4K]3 years ago
3 0

Answer:

B

Step-by-step explanation:

From the statement, we are given a function that shows the number of cell tower users f(x) after x years, from the year 2010 to 2019, so, to solve the problem, we need to remember that the domain is equal to all the values that the variable (x for this case) could take making the function itself exist.

So, the given function is a function of years, and we know that "x" represents the years from 2010 (starting value), to 2019 (ending value) meaning that the domain is located between those two values.

Hence, the correct option is:

B. 0 ≤ x ≤ 5,000

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OlgaM077 [116]

Answer:

Step-by-step explanation:

Given that a  consumer magazine article titled "How Safe Is the Air in Airplanes" reports that the air quality, as quantified by the degree of staleness, was measured on 175 domestic flights.

The purpose was to study about the safety of all flights as a whole.

Since all flights cannot be measured within a reasonable time, a sample of 175 domestic flights were taken.

a) The population of interest here would be the measure of safety of all the airplanes.

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Inequalities! 20 Points!
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he needs at least 5800

5800/725

8

so he must sell at least 8 cars

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Choice C

8<=x<=45

3 0
3 years ago
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Jane mixes 5 3/4 cups of water and 3 1/2 cups of cranberry concentrate in a jug. what is the ratio of water to cranberry concent
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It is A because Jane mix water and cranberry juice.
4 0
2 years ago
if a clock strikes the appropriate number of time on each hour. how many times will it strikes in one day?
Keith_Richards [23]

Strike is the way that the noise made on the hour it’s described. Each hour corresponds to a specific strike, 1 has 1 strike, 2 have 2 strikes, 3 have 3 strikes, and so on.

The solution would be like this for this specific problem:

1 + 2 +3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 = 78 strikes for a 12 hours

78 * 2 = 156 (since a day has 24 hours)

So it will strike 156 times per day. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

6 0
3 years ago
The legs of a right triangle are x and 15 while the hypotenuse is 17.
Deffense [45]

Answer:

Since the Option of equation are not given. Kindly chose any of the below equation from the answer to find the value of 'x'.

x^2+15^2=17^2

x^2=17^2-15^2

OR

x^2+225=289

x^2=289-225

Step-by-step explanation:

Given:

Length of One leg = x

Length of other Leg= 15

Hypotenuse = 17

We need to find the equation used to determine the value of x.

Solution:

Assuming Triangle to right angled triangle.

So we will apply Pythagoras theorem which sates that;

"The square of sum of two legs of right angle triangle is equal to square of the length of hypotenuse."

so we can say that;

x^2+15^2=17^2

x^2=17^2-15^2

OR

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x^2=289-225

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x^2+15^2=17^2

x^2=17^2-15^2

OR

x^2+225=289

x^2=289-225

5 0
3 years ago
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